2011-12-19 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / gcc / fortran / ChangeLog

2011-12-19  Tobias Burnus  <burnus@net-b.de>

        * check.c (coarray_check): Add class ref if needed.
        * resolve.c (resolve_fl_var_and_proc,
        resolve_fl_derived0, resolve_symbol): Fix checking
        for BT_CLASS.

2011-12-15  Paul Thomas  <pault@gcc.gnu.org>

        * trans-expr.c (gfc_walk_function_expr): Detect elemental
        procedure components as well as elemental procedures.
        * trans-array.c (gfc_conv_procedure_call): Ditto.
        * trans-decl.c (gfc_trans_deferred_vars): Correct erroneous
        break for class pointers to continue.

2011-12-15  Toon Moene  <toon@moene.org>

        PR fortran/51310
        * resolve.c (build_default_init_expr): Allow non-allocatable,
        non-compile-time-constant-shape arrays to have a default
        initializer.
        * invoke.texi: Delete the restriction on automatic arrays not

2011-12-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51550
        PR fortran/47545
        PR fortran/49050
        PR fortran/51075        
        * resolve.c (resolve_fl_derived0): Print not-implemented error
        for deferred-length character components.

2011-12-15  Tobias Burnus  <burnus@net-b.de>

        * primary.c (gfc_match_varspec): Match array spec for
        polymorphic coarrays.
        (gfc_match_rvalue): If a symbol of unknown flavor has a
        codimension, mark it as a variable.
        * simplify.c (gfc_simplify_image_index): Directly call
        simplify_cobound.
        * trans-intrinsic.c (trans_this_image): Fix handling of
        corank = 1 arrays.

2011-12-15  Jakub Jelinek  <jakub@redhat.com>

        PR debug/51517
        * trans-decl.c (gfc_get_symbol_decl): Don't set DECL_INITAL on span.
        (gfc_trans_deferred_vars): Instead add its runtime initialization
        here.

2011-12-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50923
        * trans-decl.c (generate_local_decl): Set TREE_NO_WARNING only
        if the front end has printed a warning.
        (gfc_generate_function_code): Fix unset-result warning.

2011-12-11  Paul Thomas  <pault@gcc.gnu.org>
        Tobias Burnus  <burnus@gcc.gnu.org>

        PR fortran/41539
        PR fortran/43214
        PR fortran/43969
        PR fortran/44568
        PR fortran/46356
        PR fortran/46990
        PR fortran/49074
        * interface.c (symbol_rank): Return the rank of the _data
        component of class objects.
        (compare_parameter): Also compare the derived type of the class
        _data component for type mismatch.  Similarly, return 1 if the
        formal and _data ranks match.
        (compare_actual_formal): Do not compare storage sizes for class
        expressions. It is an error if an actual class array, passed to
        a formal class array is not full.
        * trans-expr.c (gfc_class_data_get, gfc_class_vptr_get,
        gfc_vtable_field_get, gfc_vtable_hash_get, gfc_vtable_size_get,
        gfc_vtable_extends_get, gfc_vtable_def_init_get,
        gfc_vtable_copy_get): New functions for class API.
        (gfc_conv_derived_to_class): For an array reference in an
        elemental procedure call retain the ss to provide the
        scalarized array reference. Moved in file.
        (gfc_conv_class_to_class): New function.
        (gfc_conv_subref_array_arg): Use the type of the
        class _data component as a basetype.
        (gfc_conv_procedure_call): Ensure that class array expressions
        have both the _data reference and an array reference. Use 
        gfc_conv_class_to_class to handle class arrays for elemental
        functions in scalarized loops, class array elements and full
        class arrays. Use a call to gfc_conv_subref_array_arg in order
        that the copy-in/copy-out for passing class arrays to derived
        type arrays occurs correctly.
        (gfc_conv_expr): If it is missing, add the _data component
        between a class object or component and an array reference.
        (gfc_trans_class_array_init_assign): New function.
        (gfc_trans_class_init_assign): Call it for array expressions.
        * trans-array.c (gfc_add_loop_ss_code): Do not use a temp for
        class scalars since their size will depend on the dynamic type.
        (build_class_array_ref): New function.
        (gfc_conv_scalarized_array_ref): Call build_class_array_ref.
        (gfc_array_init_size): Add extra argument, expr3, that represents
        the SOURCE argument. If present,use this for the element size.
        (gfc_array_allocate): Also add argument expr3 and use it when
        calling gfc_array_init_size.
        (structure_alloc_comps): Enable class arrays.
        * class.c (gfc_add_component_ref): Carry over the derived type
        of the _data component.
        (gfc_add_class_array_ref): New function.
        (class_array_ref_detected): New static function.
        (gfc_is_class_array_ref): New function that calls previous.
        (gfc_is_class_scalar_expr): New function.
        (gfc_build_class_symbol): Throw not implemented error for
        assumed size class arrays.  Remove error that prevents
        CLASS arrays.
        (gfc_build_class_symbol): Prevent pointer/allocatable conflict.
        Also unset codimension.
        (gfc_find_derived_vtab): Make 'copy' elemental and set the
        intent of the arguments accordingly.: 
        * trans-array.h: Update prototype for gfc_array_allocate.
        * array.c (gfc_array_dimen_size): Return failure if class expr.
        (gfc_array_size): Likewise.
        * gfortran.h: New prototypes for gfc_add_class_array_ref,
        gfc_is_class_array_ref and gfc_is_class_scalar_expr.
        * trans-stmt.c (trans_associate_var): Exclude class targets
        from test. Move the allocation of the _vptr to an earlier time
        for class objects.
        (trans_associate_var): Assign the descriptor directly for class
        arrays.
        (gfc_trans_allocate): Add expr3 to gfc_array_allocate arguments.
        Convert array element references into sections. Do not invoke
        gfc_conv_procedure_call, use gfc_trans_call instead.
        * expr.c (gfc_get_corank): Fix for BT_CLASS.
        (gfc_is_simply_contiguous): Exclude class from test.
        * trans.c (gfc_build_array_ref): Include class array refs.
        * trans.h: Include prototypes for class API functions that are
        new in trans-expr. Define GFC_DECL_CLASS(node).
        * resolve.c (check_typebound_baseobject ): Remove error for
        non-scalar base object.
        (resolve_allocate_expr): Ensure that class _data component is
        present. If array, call gfc_expr_to_intialize.
        (resolve_select): Remove scalar error for SELECT statement as a
        temporary measure.
        (resolve_assoc_var): Update 'target' (aka 'selector') as
        needed. Ensure that the target expression has the right rank.
        (resolve_select_type): Ensure that target expressions have a
        valid locus.
        (resolve_allocate_expr, resolve_fl_derived0): Fix for BT_CLASS.
        * trans-decl.c (gfc_get_symbol_decl): Set GFC_DECL_CLASS, where
        appropriate.
        (gfc_trans_deferred_vars): Get class arrays right.
        * match.c(select_type_set_tmp): Add array spec to temporary.
        (gfc_match_select_type): Allow class arrays.
        * check.c (array_check): Ensure that class arrays have refs.
        (dim_corank_check, dim_rank_check): Retrun success if class.
        * primary.c (gfc_match_varspec): Fix for class arrays and
        co-arrays. Make sure that class _data is present.
        (gfc_match_rvalue): Handle class arrays.
        *trans-intrinsic.c (gfc_conv_intrinsic_size): Add class array
        reference.
        (gfc_conv_allocated): Add _data component to class expressions.
        (gfc_add_intrinsic_ss_code): ditto.
        * simplify.c (simplify_cobound): Fix for BT_CLASS.
        (simplify_bound): Return NULL for class arrays.
        (simplify_cobound): Obtain correct array_spec. Use cotype as
        appropriate. Use arrayspec for bounds.

2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/50690
        * frontend-passes.c (in_omp_workshare):  New variable.
        (cfe_expr_0):  Don't eliminiate common function if it would put
        the variable immediately into a WORKSHARE construct.
        (optimize_namespace):  Set in_omp_workshare.
        (gfc_code_walker):  Keep track of OMP PARALLEL and OMP WORKSHARE
        constructs.

2011-12-10  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (add_argument_checking): Fix syntax.

2011-12-10  Tobias Burnus  <burnus@net-b.de>
            Kai Tietz  <ktietz@redhat.com>

        * trans-decl.c (add_argument_checking): Check ts.deferred earlier.
        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use %ld with long.

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50815
        * trans-decl.c (add_argument_checking): Skip bound checking
        for deferred-length strings.

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51378
        * symbol.c (gfc_find_component): Fix access check of parent
        components.

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51407
        * io/transfer.c (require_numeric_type): New function.
        (formatted_transfer_scalar_read, formatted_transfer_scalar_write):
        Use it, allow BOZ edit descriptors with F2008.

2011-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51448
        * fortran/trans-array.c (get_std_lbound): Fix handling of
        conversion functions.

2011-12-08  Toon Moene  <toon@moene.org>

        PR fortran/51310
        * invoke.texi: Itemize the cases for which
        -finit-<type>=<constant> doesn't work.

2011-12-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51435
        * expr.c (gfc_has_default_initializer): Fix handling of
        DT with initialized pointer components.

2011-12-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/51338
        * dependency.c (are_identical_variables):  Handle case where
        end fields of substring references are NULL.

2011-12-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51383
        * resolve.c (find_array_spec): Use ref->u.c.component
        directly without starting from ts.u.derived.

2011-12-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48887
        * match.c (select_type_set_tmp): Don't set allocatable/pointer
        attribute.
        * class.c (gfc_build_class_symbol): Handle
        attr.select_type_temporary.

2011-12-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50684
        * check.c (variable_check): Fix intent(in) check.

2011-12-03  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_move_alloc): Allow nonpolymorphic
        FROM with polymorphic TO.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Handle
        nonpolymorphic FROM with polymorphic TO.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

        * module.c (dt_lower_string): Make static.
        (dt_upper_string): Likewise.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/25708
        * module.c (parse_string): Read string into resizable array
        instead of parsing twice and seeking.
        (peek_atom): New implementation avoiding seeks.
        (require_atom): Save and set column and line explicitly for error
        handling.

2011-12-01  Janne Blomqvist  <jb@gcc.gnu.org>

        * misc.c (gfc_open_file): Don't call stat.

2011-11-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/40958
        * module.c (prev_module_line):  New variable.
        (prev_module_column):  New variable.
        (prev_character):  New variable.
        (module_char):  Update the new variables.
        (module_unget_char):  New function.
        (parse_string):  Use module_unget_char.
        (parse_integer):  Likewise.
        (parse_name):  Likewise.

2011-11-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51306
        PR fortran/48700
        * check.c (gfc_check_move_alloc): Make sure that from/to
        are both polymorphic or neither.
        * trans-intrinsic.c (conv_intrinsic_move_alloc): Cleanup,
        generate inline code.

2011-11-28  Tobias Burnus  <burnus@net-b.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/51308
        * symbol.c (check_conflict): Ignore BIND(C) + PARAMETER
        conflicts for ISO_C_BINDING variables.
        (gen_special_c_interop_ptr): Don't mark c_ptr_null/c_funptr_null
        as SAVE.

2011-11-25  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (set_loop_bounds): Remove dead conditions.

2011-11-25  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/51250
        PR fortran/43829
        * trans-array.c (gfc_trans_create_temp_array): Get dimension from
        the right gfc_ss struct.

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50408
        * trans-decl.c (gfc_get_module_backend_decl): Also copy
        ts.u.derived from the gsym if the ts.type is BT_CLASS.
        (gfc_get_extern_function_decl): Copy also the backend_decl
        for the symbol's ts.u.{derived,cl} from the gsym.
        * trans-types.c (gfc_copy_dt_decls_ifequal): Directly
        return if "from" and "to" are the same.

2011-11-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51302
        * trans-stmt.c (gfc_trans_simple_do): Add a fold_convert.

2011-11-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51218
        * resolve.c (pure_subroutine): If called subroutine is
        impure, unset implicit_pure.
        (resolve_function): Move impure check to simplify code.

2011-11-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51207
        * class.c (gfc_find_derived_vtab): Mark __def_init as PARAMETER
        and hence as TREE_READONLY; add subroutine attribute to
        __copy_ procedure.

        PR fortran/50640
        * trans.h (GFC_DECL_PUSH_TOPLEVEL): New DECL_LANG_FLAG_7.
        * trans-decl.c (gfc_get_symbol_decl): Mark __def_init and vtab as
        GFC_DECL_PUSH_TOPLEVEL.
        (gfc_generate_function_code): If GFC_DECL_PUSH_TOPLEVEL, push it there.
        (build_function_decl): Push __copy_ procedure to the toplevel.

2011-11-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39427
        PR fortran/37829
        * decl.c (match_data_constant, match_data_constant, variable_decl,
        gfc_match_decl_type_spec, access_attr_decl,
        check_extended_derived_type, gfc_match_derived_decl,
        gfc_match_derived_decl, gfc_match_derived_decl) Modified to deal
        with DT constructors.
        * gfortran.h (gfc_find_dt_in_generic,
        gfc_convert_to_structure_constructor): New function prototypes.
        * interface.c (check_interface0, check_interface1,
        gfc_search_interface): Ignore DT constructors in generic list.
        * match.h (gfc_match_structure_constructor): Update prototype.
        * match.c (match_derived_type_spec): Ensure that one uses the DT
        not the generic function.
        * module.c (MOD_VERSION): Bump.
        (dt_lower_string, dt_upper_string): New functions.
        (find_use_name_n, find_use_operator, compare_true_names,
        find_true_name, add_true_name, fix_mio_expr, load_needed,
        read_module, write_dt_extensions, write_symbol): Changes to deal with
        different symtree vs. sym names.
        (create_derived_type): Create also generic procedure.
        * parse.c (gfc_fixup_sibling_symbols): Don't regard DT and generic
        function as the same.
        * primary.c (gfc_convert_to_structure_constructor): New function.
        (gfc_match_structure_constructor): Restructured; calls
        gfc_convert_to_structure_constructor.
        (build_actual_constructor, gfc_match_rvalue): Update for DT generic
        functions.
        * resolve.c (resolve_formal_arglist, resolve_structure_cons,
        is_illegal_recursion, resolve_generic_f, resolve_variable,
        resolve_fl_variable_derived, resolve_fl_derived0,
        resolve_symbol): Handle DT and DT generic constructors.
        * symbol.c (gfc_use_derived, gfc_undo_symbols,
        gen_special_c_interop_ptr, gen_cptr_param,
        generate_isocbinding_symbol, gfc_get_derived_super_type): Handle
        derived-types, which are hidden in the generic type.
        (gfc_find_dt_in_generic): New function
        * trans-array.c (gfc_conv_array_initializer): Replace FL_PARAMETER
        expr by actual value.
        * trans-decl.c (gfc_get_module_backend_decl, gfc_trans_use_stmts):
        Ensure that we use the DT and not the generic function.
        * trans-types.c (gfc_get_derived_type): Ensure that we use the DT
        and not the generic procedure.

2011-11-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51073
        * trans-decl.c (generate_coarray_sym_init): Handle zero-sized arrays.

2011-11-09  Tobias Burnus  <burnus@net-b.de>

        * symbol.c (clear_sym_mark, traverse_ns): Remove functions.
        (count_st_nodes, do_traverse_symtree, fill_st_vector): New functions.
        (gfc_traverse_symtree, gfc_traverse_ns): Call do_traverse_symtree.

2011-11-09  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/50016
        * gfortran.texi (Data consistency and durability): New section.

2011-11-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/50540
        * resolve.c (resolve_forall_iterators): Transform internal errors
        to normal errors.

2011-11-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50960
        * class.c (gfc_find_derived_vtab): Make the vtab symbols FL_PARAMETER.
        * expr.c (gfc_simplify_expr): Prevent vtabs from being replaced with
        their value.
        * resolve.c (resolve_values): Use-associated symbols do not need to
        be resolved again.
        (resolve_fl_parameter): Make sure the symbol has a value.

2011-11-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/38718
        * intrinsic.c (add_functions): Allow dreal simplification.
        * intrinsic.h (gfc_simplify_dreal): New prototype.
        * simplify.c (gfc_simplify_dreal): New function.

2011-11-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/21881
        * trans-types.c (gfc_get_dtype): Issue a fatal error instead of
        an internal error.

2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/50404
        * io.c (gfc_resolve_close): CLOSE requires a UNIT.

2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/50409
        * expr.c (gfc_simplify_expr): Substrings can't have negative
        length.

2011-11-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/50334
        * invoke.texi (-finit-*): Document interaction with
        -Wuninitialized.

2011-11-07  François-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR libfortran/49188
        PR libfortran/49336
        * invoke.texi: Fix documentation of fsign-zero option. Remove
        contractions.
        * intrinsic.texi: Fix ATAN2 documentation for signed zeros.
        Remove contractions.
        * gfortran.texi: Remove contractions.

2011-11-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50919
        * class.c (add_proc_comp): Don't add non-overridable procedures to the
        vtable.
        * resolve.c (resolve_typebound_function,resolve_typebound_subroutine):
        Don't generate a dynamic _vptr call for non-overridable procedures.

2011-11-07  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsic.texi (MCLOCK, MCLOCK8, TIME, TIME8): Functions clock
        and time are part of the C standard library.

2011-11-06  Janus Weil  <janus@gcc.gnu.org>

        * gfortran.h (gfc_extend_expr): Modified prototype.
        * interface.c (gfc_extend_expr): Return 'match' instead of 'gfc_try'.
        Remove argument 'real_error'.
        * resolve.c (resolve_operator): Modified call to 'gfc_extend_expr'.

2011-11-06  Andrew MacLeod  <amacleod@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        Merged from cxx-mem-model.

        * types.def: (BT_SIZE, BT_CONST_VOLATILE_PTR, BT_FN_VOID_INT,
        BT_FN_I{1,2,4,8,16}_CONST_VPTR_INT, BT_FN_VOID_VPTR_INT,
        BT_FN_BOOL_VPTR_INT, BT_FN_BOOL_SIZE_CONST_VPTR,
        BT_FN_VOID_VPTR_I{1,2,4,8,16}_INT, BT_FN_VOID_SIZE_VPTR_PTR_INT,
        BT_FN_VOID_SIZE_CONST_VPTR_PTR_INT, BT_FN_VOID_SIZE_VPTR_PTR_PTR_INT,
        BT_FN_BOOL_VPTR_PTR_I{1,2,4,8,16}_BOOL_INT_INT,
        BT_FN_I{1,2,4,8,16}_VPTR_I{1,2,4,8,16}_INT): New types.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/43829
        * trans-array.c (gfc_conv_expr_descriptor): Accept the inline intrinsic
        case in the assertion.
        * trans-intrinsic (enter_nested_loop): New function.
        (gfc_conv_intrinsic_arith): Support non-scalar cases.
        (nest_loop_dimension, walk_inline_intrinsic_arith): New functions.
        (walk_inline_intrinsic_function): Handle sum and product.
        (gfc_inline_intrinsic_function_p): Ditto.
        * trans.h (gfc_get_loopinfo): New macro.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_arith): Introduce parent
        expression variable.  Use it.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic.c): Introduce current loop
        pointer.  Use it.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_arith): Small argument handling
        cleanup.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_arith): Update conditions.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * frontend-passes.c (cfe_register_funcs): Return early in the case
        of an inline intrinsic function.
        (optimize_binop_array_assignment): Skip optimization in the case of
        an inline intrinsic function.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * array.c (match_subscript): Skip whitespaces before setting locus.
        * matchexp.c (match_level_1): Ditto.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Set loop's
        temporary rank to the loop rank. Mark ss chains for multiple loop
        if necessary.  Use gfc_trans_scalarized_loop_boundary to end one loop
        and start another.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Set loop's
        temporary rank to the loop rank. Mark ss chains for multiple loop
        if necessary.  Use gfc_trans_scalarized_loop_boundary to end one loop
        and start another.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Don't calculate
        offset twice in generated code.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-expr.c (gfc_conv_procedure_call): Handle temporaries for
        arguments to elemental calls.
        * trans-stmt.c (replace_ss): New function.
        (gfc_conv_elemental_dependencies): Remove temporary loop handling.
        Create a new ss for the temporary and replace the original one with it.
        Remove fake array references. Recalculate all offsets.

2011-11-04  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.h (gfc_free_ss, gfc_set_delta): New prototypes.
        * trans-array.c (gfc_free_ss): Remove forward declaration.
        Make non-static.
        (set_delta, gfc_set_delta): Remove forward declaration.
        Make non-static and rename the former to the later. Update uses.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (gfc_inline_intrinsic_function_p): Move prototype...
        * gfortran.h (gfc_inline_intrinsic_function_p): ... here.
        * dependency.c (gfc_check_argument_var_dependency): Check dependencies
        of inline intrinsics' arguments.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): New pointers to outer
        dimension's ss and loop. Use them.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (outermost_loop): New function.
        (gfc_trans_array_constructor, gfc_set_vector_loop_bounds,
        gfc_add_loop_ss_code): Put generated code out of the outermost loop.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (constant_array_constructor_loop_size):
        Handle multiple loops.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (get_rank, get_loop_upper_bound_for_array):
        New functions.
        (gfc_trans_array_constructor): Handle multiple loops.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_loopinfo): New field parent.
        * trans-array.c (gfc_cleanup_loop): Free nested loops.
        (gfc_add_ss_to_loop): Set nested_loop's parent loop.
        (gfc_trans_array_constructor): Update assertion.
        (gfc_conv_loop_setup): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_add_loop_ss_code): Skip non-nestedmost ss.
        Call recursively gfc_add_loop_ss_code for all the nested loops.
        (gfc_conv_ss_startstride): Only get the descriptor for the outermost
        ss. Call recursively gfc_conv_ss_startstride for all the nested loops.
        (set_loop_bounds): Call recursively for all the nested loops.
        (set_delta): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_loopinfo): New fields nested and next.
        * trans-array.c (gfc_add_ss_to_loop): Update list of nested list if
        ss has non-null nested_ss field.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_create_temp_array): Loop over the parents.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (get_array_ref_dim, get_scalarizer_dim_for_array_dim): 
        Rename the former to the latter and loop over the parents.
        (innermost_ss): New function.
        (get_array_ref_dim_for_loop_dim): New function.
        (gfc_trans_create_temp_array): Use get_scalarizer_dim_for_array_dim.
        (set_loop_bounds): Use get_array_dim_for_loop_dim).

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss): New field nested_ss.
        * trans-expr.c (gfc_advance_se_ss_chain): Update assertion.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (set_vector_loop_bounds): Loop over the parents.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_array_constructor): Loop over the parents.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_set_loop_bounds_from_array_spec): Loop over the
        parents.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss): New field parent.
        * trans-array.c (gfc_trans_scalarizing_loops): Skip clearing if a
        parent exists.
        * trans-expr.c (gfc_advance_se_ss_chain): Move to parent ss at the
        end of the chain.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.h (gfc_trans_create_temp_array): Remove loop argument.
        * trans-array.c (gfc_trans_create_temp_array): Ditto.  Get loop from ss.
        Update reference to loop.  Remove loop argument.
        (gfc_trans_array_constructor, gfc_conv_loop_setup): Update calls to
        gfc_trans_create_temp_array.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto.
        Set loop before calling gfc_trans_create_temp_array.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_create_temp_array): New variable total_dim.
        Set total_dim to loop's rank. Replace usages of loop's rank.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_array_constructor, trans_array_constructor):
        Rename the former to the later.  Get loop from ss.
        Remove loop argument.
        (gfc_add_loop_ss_code): Update call.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_set_vector_loop_bounds): Get loop from ss.
        Remove loop argument.
        (gfc_add_loop_ss_code): Update call.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss): New field loop.
        * trans-array.c (set_ss_loop): New function.
        (gfc_add_ss_to_loop): Call set_ss_loop.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss_info): New field refcount.
        * trans-array.c (free_ss_info): Decrement refcount. Return early if
        still non-zero.
        (gfc_get_array_ss, gfc_get_temp_ss, gfc_get_scalar_ss): Increment
        refcount.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_create_temp_array): Move invariant condition
        out of the containing loop. 

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_conv_loop_setup, gfc_trans_create_temp_array):
        Move specloop arrays clearing from the former to the latter.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (set_loop_bounds): Separate the beginning of
        gfc_conv_loop_setup into a function of its own.
        (set_delta): Separate the end of gfc_conv_loop_setup into a function
        of its own.
        (gfc_conv_loop_setup): Call set_loop_bounds and set delta.
        (set_loop_bounds, set_delta, gfc_conv_loop_setup): Make loopspec a
        pointer to the specloop field from the loop struct.

2011-11-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50933
        * interface.c (gfc_compare_derived_types): Fix check for BIND(C).

2011-11-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50960
        * trans-decl.c (gfc_finish_var_decl): Mark PARAMETER as TREE_READONLY.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move field
        gfc_ss::where into gfc_ss_info.
        * trans-array.c (gfc_add_loop_ss_code):
        Update reference chains.
        * trans-stmt.c (gfc_trans_where_assign, gfc_trans_where_3): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move field
        gfc_ss::useflags into gfc_ss_info.
        * trans-array.c (gfc_mark_ss_chain_used, gfc_trans_preloop_setup,
        gfc_trans_scalarizing_loops, gfc_trans_scalarized_boundary):
        Update reference chains.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move field
        gfc_ss::data::info into gfc_ss_info::data and remove empty union
        gfc_ss::data.
        * trans-array.c (gfc_free_ss, gfc_trans_create_temp_array,
        gfc_trans_constant_array_constructor, gfc_trans_array_constructor,
        gfc_set_vector_loop_bounds, gfc_add_loop_ss_code,
        gfc_conv_ss_descriptor, gfc_trans_array_bound_check,
        gfc_conv_array_index_offset, gfc_conv_scalarized_array_ref,
        add_array_offset, gfc_trans_preloop_setup,
        gfc_trans_scalarized_boundary, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_could_be_alias,
        gfc_conv_loop_setup, gfc_conv_expr_descriptor,
        gfc_alloc_allocatable_for_assignment, gfc_walk_array_ref):
        Update reference chains and factor them where possible.
        * trans-expr.c (gfc_conv_variable, gfc_conv_subref_array_arg,
        gfc_conv_procedure_call, gfc_trans_subarray_assign): Updata reference
        chains.
        * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Ditto.
        * trans-io.c (transfer_array_component): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies,
        gfc_trans_pointer_assign_need_temp): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move member struct
        gfc_ss::data::temp into gfc_ss_info::data.
        * trans-array.c (gfc_get_temp_ss, gfc_conv_loop_setup): Update reference
        chains.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move member struct
        gfc_ss::data::scalar into newly created union gfc_ss_info::data,
        and rename subfield expr to value.
        * trans-array.c (gfc_add_loop_ss_code, gfc_conv_array_index_offset,
        gfc_conv_expr_descriptor): Update reference chains.
        * trans-const.c (gfc_conv_constant): Ditto.
        * trans-expr.c (gfc_conv_expr): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move field
        string_length from the former struct to the latter.
        * trans-array.c
        (gfc_get_temp_ss, gfc_trans_array_constructor, gfc_add_loop_ss_code,
        gfc_conv_ss_descriptor, gfc_conv_scalarized_array_ref,
        gfc_conv_resolve_dependencies, gfc_conv_loop_setup,
        gfc_conv_expr_descriptor): Update references to string_length and
        factor common reference chains where possible.
        * trans-const.c (gfc_conv_constant): Ditto.
        * trans-expr.c (gfc_conv_variable, gfc_conv_subref_array_arg,
        gfc_conv_expr): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_ss_info): Move field expr from
        the former struct to the latter.
        * trans-array.c
        (gfc_get_array_ss, gfc_get_scalar_ss,
        gfc_trans_constant_array_constructor, gfc_trans_array_constructor,
        gfc_add_loop_ss_code, gfc_conv_ss_descriptor,
        gfc_trans_array_bound_check, gfc_conv_array_index_offset,
        gfc_conv_scalarized_array_ref, gfc_conv_ss_startstride,
        gfc_could_be_alias, gfc_conv_resolve_dependencies,
        gfc_conv_loop_setup, gfc_conv_expr_descriptor,
        gfc_alloc_allocatable_for_assignment): Update references to expr and
        factor common reference chains where possible.
        * trans-const.c (gfc_conv_constant): Ditto.
        * trans-expr.c (gfc_conv_variable, gfc_conv_procedure_call,
        gfc_conv_array_constructor_expr, gfc_conv_expr,
        gfc_conv_expr_reference): Ditto.
        * trans-intrinsic.c (trans_this_image, gfc_conv_intrinsic_bound,
        gfc_conv_intrinsic_cobound, gfc_conv_intrinsic_funcall,
        gfc_add_intrinsic_ss_code): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss_info): New struct.
        (gfc_get_ss_info): New macro.
        (struct gfc_ss): Move type field to struct gfc_ss_info.
        Add an info field of type gfc_ss_info.
        * trans-array.c (free_ss_info): New function.
        (gfc_free_ss): Call free_ss_info.
        (gfc_get_array_ss, gfc_get_temp_ss, gfc_get_scalar_ss):
        Allocate gfc_ss_info field.
        (gfc_get_array_ss, gfc_get_temp_ss, gfc_get_scalar_ss,
        gfc_set_vector_loop_bounds, gfc_add_loop_ss_code,
        gfc_conv_array_index_offset, gfc_trans_preloop_setup,
        gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_conv_resolve_dependencies,
        gfc_conv_loop_setup, transposed_dims, gfc_conv_expr_descriptor,
        gfc_walk_elemental_function_args): Update references to type.
        * trans-const.c (gfc_conv_constant): Factor common reference chains
        and update reference to type.
        * trans-expr.c (gfc_conv_procedure_call, gfc_trans_assignment_1):
        Update reference to type.
        (gfc_conv_array_constructor_expr, gfc_conv_expr,
        gfc_conv_expr_reference): Ditto. Factor common reference chains.
        * trans-intrinsic.c (walk_inline_intrinsic_transpose): Update references
        to type
        * trans-stmt.c (gfc_trans_where_assign): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss, struct gfc_array_info): Move shape field
        from the former struct to the latter.
        * trans-array.c (gfc_conv_ss_startstride, gfc_conv_loop_setup):
        Update field references.
        * trans-expr.c (gfc_trans_subarray_assign): Update field references
        and factor common reference chains.
        * trans-io.c (transfer_array_component): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_array_info): Move dim and dimen fields...
        (struct gfc_ss): ... here.  Remove gfc_ss::data::temp::dimen field.
        * trans-array.c (gfc_conv_loop_setup): Remove temp_ss dim array
        initialization.
        (gfc_get_temp_ss): Initialize dim and dimen.
        (gfc_free_ss, gfc_get_array_ss, gfc_get_temp_ss,
        gfc_set_loop_bounds_from_array_spec, get_array_ref_dim,
        gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
        gfc_set_vector_loop_bounds, gfc_conv_scalarized_array_ref,
        gfc_trans_preloop_setup, gfc_conv_ss_startstride,
        gfc_conv_resolve_dependencies, gfc_conv_loop_setup, transposed_dims,
        gfc_conv_expr_descriptor, gfc_alloc_allocatable_for_assignment,
        gfc_walk_array_ref): Update field references.
        * trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call):
        Ditto.
        * trans-intrinsic.c (walk_inline_intrinsic_transpose): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.h (struct gfc_ss_info, struct gfc_array_info):
        Rename the former to the latter.
        * trans-array.c (gfc_get_array_ss, gfc_trans_allocate_array_storage,
        get_array_ref_dim, gfc_trans_create_temp_array,
        gfc_trans_constant_array_constructor, gfc_set_vector_loop_bounds,
        gfc_conv_array_index_offset, gfc_conv_scalarized_array_ref,
        add_array_offset, gfc_trans_preloop_setup, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_conv_loop_setup, transposed_dims,
        gfc_conv_expr_descriptor): Update all uses.
        * trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call):
        Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_transfer,
        walk_inline_intrinsic_transpose): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies,
        gfc_trans_pointer_assign_need_temp): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (dim_ok, transposed_dims): Rename the former to the
        latter.  Change argument type.  Invert return value.
        (gfc_conv_expr_descriptor): Update calls.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (get_array_ref_dim): Change argument type and name.
        Obtain previous argument from the new argument in the body.
        (gfc_trans_create_temp_arry, gfc_conv_loop_setup): Update calls.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_set_vector_loop_bounds, set_vector_loop_bounds):
        Rename the former to the latter.  Change type and name of argument.
        Get previous argument from the new one.
        (gfc_add_loop_ss_code): Update call.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.h (gfc_trans_create_temp_array): Replace info argument
        with ss argument.
        * trans-array.c (gfc_trans_create_temp_array): Ditto. Get info from ss.
        (gfc_trans_array_constructor, gfc_conv_loop_setup): Update call to
        gfc_trans_create_temp_array.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Ditto.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_array_bound_check): Use ss argument
        to get name.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_array_bound_check,
        trans_array_bound_check): Rename the former to the latter.
        Replace descriptor argument with ss argument.  Get descriptor from ss.
        (gfc_conv_array_index_offset, conv_array_index_offset): Rename the
        former to the latter.  Update call to trans_array_bound_check.
        Replace info argument with ss argument.  Get info from ss.
        (gfc_conv_scalarized_array_ref): Update call to conv_array_index_offset.
        (add_array_offset): Ditto

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_constant_array_constructor,
        trans_constant_array_constructor): Rename the former to the latter.
        Don't set the rank of the temporary for the loop.  Remove then unused
        loop argument.
        (gfc_trans_array_constructor): Update call.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_scalarizing_loops): Stop loop before end
        marker, not after it.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_conv_loop_setup): Also skip temporary arrays.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_conv_ss_startstride): Access array bounds along
        array dimensions instead of loop dimensions.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Assertify one condition.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_walk_array_ref): Skip coarray dimensions.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (get_array_ref_dim): Remove redundant condition.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Move common code...
        (add_array_offset): ...into that new function.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Use loop's dimension instead
        of array's dimention. Check that it is indeed the same.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Remove redundant assertion.
        Special case outermost loop.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Factor loop index
        initialization.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Move code earlier.

2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_trans_preloop_setup): Move array reference
        initialisation earlier. Factor subsequent array references.

2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Makef-lang.in (gfortranspec.o): Pass SHLIB instead of SHLIB_LINK.

2011-10-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/50573
        * check.c (gfc_check_dshift): Update argument checking for BOZ.
        Update checking SHIFT against BITSIZE of I or J.
        * intrinsic.texi: Update docs for DSHIFTL and DSHIFTR.

2011-10-28  Steven G. Kargl  <kargl@gcc.gnu.org>

        * check.c (gfc_check_atan_2): Typo in comment.
        (gfc_check_nearest): If 's' is constant, check that it is not 0.
        * simplify.c (simplify_dshift, gfc_simplify_ibclr, gfc_simplify_ibits,
        gfc_simplify_ibset, simplify_shift, gfc_simplify_ishftc,
        gfc_simplify_nearest): Remove dead code.

2011-10-23  Steven G. Kargl  <kargl@gcc.gnu.org>

        * simplify.c (simplify_transformation_to_array): Fix memory leak.

2011-10-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/50821
        * check.c (gfc_check_ishftc): Check args are constant before 
        extracting the integer.

2011-10-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/50514
        * check.c (less_than_bitsize1): Check |shift| <= bit_size(i).
        (gfc_check_ishftc):  Check |shift| <= bit_size(i) and check
        that size is positive.

2011-10-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/50524
        * resolve.c (resolve_ref): Check return value of resolve_substring().

2011-10-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        * io.c (match_dt_format): Match a user-defined operator or a kind
        type prefixed string.

2011-10-19  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47023
        * check.c (gfc_check_sizeof): Reject procedures as argument of SIZEOF.
        * intrinsinc.texi (SIZEOF): Document it.
        (STORAGE_SIZE): Fix special characters. Fix line breaks.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans.c (gfc_build_array_ref): If type is not an array, check that
        there is nothing to do, and do nothing.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-types.c (gfc_build_array_type): Don't force lower bound to one
        in the deferred case.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * simplify.c (simplify_cobound): Accept non-last-in-ref-chain coarrays.
        Don't set already set array ref.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        * array.c (gfc_find_array_ref): Remove coarray-specific handling.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * check.c (dim_corank_check): Use gfc_get_corank to get corank.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-intrinsic.c (walk_coarray): Change AR_ELEMENT to AR_SECTION.

        PR fortran/50420
        * trans-intrinsic.c (walk_coarray): Use gfc_walk_array_ref for
        the scalarization chain initialization. 

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-intrinsic.c (walk_coarray): Allow subreferences after a
        coarray object reference.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-array.c (gfc_walk_array_ref): Allow zero rank arrays
        if they are coarrays.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.h (gfc_walk_array_ref): New prototype.
        * trans-array.c (gfc_walk_array_ref): New function, containing
        all but the beginning of gfc_walk_variable_expr's code.
        (gfc_walk_variable_expr): Use gfc_walk_array_ref.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-array.c (gfc_conv_expr_descriptor): Use loop.dimen instead of
        ndim for the descriptor's rank.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50420
        * trans-array.c (gfc_conv_expr_descriptor): Count codimensions starting
        from zero, and add then the relevant offset (either ndim or loop.dimen)
        depending on context.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_conv_expr_descriptor): Save some horizontal space.

2011-10-18  Mikael Morin  <mikael@gcc.gnu.org>

        * trans-array.c (gfc_conv_expr_descriptor): Move ndim initialization
        earlier.

2011-10-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47023
        * decl.c (verify_c_interop_param): Renamed to
        'gfc_verify_c_interop_param'. Add error message for polymorphic
        arguments.
        (verify_c_interop): Renamed to 'gfc_verify_c_interop'. Reject
        polymorphic variables.
        (verify_bind_c_sym): Renamed 'verify_c_interop'.
        * gfortran.h (verify_c_interop,verify_c_interop_param): Renamed.
        * check.c (gfc_check_sizeof): Ditto.
        * resolve.c (gfc_iso_c_func_interface,resolve_fl_procedure): Ditto.
        * symbol.c (verify_bind_c_derived_type): Ditto.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * cpp.c (print_line, cb_define): Adjust to avoid using internals
        of struct line_map.  Use the public API instead.

2011-10-17  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47023
        PR fortran/50752
        * primary.c (match_kind_param): Avoid segfault.

2011-10-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (current_ns):  Make static.
        (create_var):  Note parent of newly created namespace.
        (optimize_namespace):  Don't wak sibling namespaces
        if they are EXEC_BLOCK because this is handled...
        (gfc_code_walker):  ... here.  Also walk ASSOCIATE lists.

2011-10-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47023
        * primary.c (match_kind_param): Detect ISO_C_BINDING kinds.
        (get_kind): Pass on 'is_iso_c' flag.
        (match_integer_constant,match_real_constant,match_logical_constant):
        Set 'ts.is_c_interop'.

2011-10-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50547
        * resolve.c (resolve_formal_arglist): Remove unneeded error message.
        Some reshuffling.

2011-10-15  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Fortran 2008 status, TS 29113 status,
        Further Interoperability of Fortran with C): Update implementation
        status, change references from TR 29113 to TS 29113.
        * intrinsic.texi (RANK): Change TR 29113 to TS 29113.
        * invoke.text (-std=): Ditto, change -std=f2008tr to -std=f2008ts.
        * lang.opt (std=): Ditto.
        * options.c (gfc_handle_option, set_default_std_flags): Ditto and
        change GFC_STD_F2008_TR to GFC_STD_F2008_TS.
        * libgfortran.h: Ditto.
        * intrinsic.c (add_functions, gfc_check_intrinsic_standard): Ditto.
        * decl.c (verify_c_interop_param): Ditto.

2011-10-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50570
        * expr.c (gfc_check_vardef_context): Don't throw an error on
        non-pointer assignments involving an intent(in) pointer dummy.

2011-10-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50718
        * trans-expr.c (gfc_conv_procedure_call): Fix -fcheck=pointer
        for dummy arguments with VALUE attribute.

2011-10-11  Tobias Burnus  <burnus@net-b.de>
            Janus Weil  <janus@gcc.gnu.org>

        * invoke.texi (-fwhole-file): Update wording since -fwhole-file
        is now enabled by default.

2011-10-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * trans-expr.c (gfc_conv_power_op): Delete old interface with two
        parallel arrays to hold standard builtin declarations, and replace
        it with a function based interface that can support creating
        builtins on the fly in the future.  Change all uses, and poison
        the old names.  Make sure 0 is not a legitimate builtin index.
        (fill_with_spaces): Ditto.
        (gfc_trans_string_copy): Ditto.
        (gfc_trans_zero_assign): Ditto.
        (gfc_build_memcpy_call): Ditto.
        (alloc_scalar_allocatable_for_assignment): Ditto.
        * trans-array.c (gfc_trans_array_constructor_value): Ditto.
        (duplicate_allocatable): Ditto.
        (gfc_alloc_allocatable_for_assignment): Ditto.
        * trans-openmp.c (gfc_omp_clause_copy_ctor): Ditto.
        (gfc_omp_clause_assign_op): Ditto.
        (gfc_trans_omp_atomic): Ditto.
        (gfc_trans_omp_do): Ditto.
        (gfc_trans_omp_task): Ditto.
        * trans-stmt.c (gfc_trans_stop): Ditto.
        (gfc_trans_sync): Ditto.
        (gfc_trans_allocate): Ditto.
        (gfc_trans_deallocate): Ditto.
        * trans.c (gfc_call_malloc): Ditto.
        (gfc_allocate_using_malloc): Ditto.
        (gfc_call_free): Ditto.
        (gfc_deallocate_with_status): Ditto.
        (gfc_deallocate_scalar_with_status): Ditto.
        * f95-lang.c (gfc_define_builtin): Ditto.
        (gfc_init_builtin_functions): Ditto.
        * trans-decl.c (create_main_function): Ditto.
        * trans-intrinsic.c (builtin_decl_for_precision): Ditto.

2011-10-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/50564
        * frontend-passes (forall_level):  New variable.
        (cfe_register_funcs):  Don't register functions if we
        are within a forall loop.
        (optimize_namespace):  Set forall_level to 0 before entry.
        (gfc_code_walker):  Increase/decrease forall_level.

2011-10-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50273
        * trans-common.c (translate_common): Fix -Walign-commons check.

2011-10-09  Mikael Morin  <mikael.morin@sfr.fr>

        * interface.c (check_dummy_characteristics): Count dimensions starting
        from one in diagnostic.

2011-10-09  Tobias Burnus  <burnus@net-b.de>

        * Make-lang.in (F95_PARSER_OBJS, GFORTRAN_TRANS_DEPS): Add
        dependency on iso-c-binding.def and iso-fortran-env.def.
        * module.c (import_iso_c_binding_module): Add error when
        explicitly importing a nonstandard symbol; extend standard-
        depending loading.
        * iso-c-binding.def: Add c_float128 and c_float128_complex
        integer parameters (for -std=gnu).
        * intrinsic.texi (ISO_C_Binding): Document them.
        * symbol.c (generate_isocbinding_symbol): Change macros
        to ignore GFC_STD_* data.
        * trans-types.c (gfc_init_c_interop_kinds): Ditto; make
        nonstatic and renamed from "init_c_interop_kinds".
        (gfc_init_kinds): Don't call it
        * trans-types.h (gfc_init_c_interop_kinds): Add prototype.
        * f95-lang.c (gfc_init_decl_processing): Call it.

2011-10-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50659
        * expr.c (replace_symbol): Only do replacement if the symbol is a dummy.

2011-10-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/47844
        * trans-array.c (gfc_conv_array_index_offset): Use descriptor
        stride for pointer function results.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_expr_descriptor): Remove trailing whitespace.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_ss_startstride): Merge two switch cases.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_section_startstride): Remove coarray argument.
        Remove conditions on coarray.
        (gfc_conv_ss_startstride): Update call to gfc_conv_section_startstride.
        (gfc_conv_expr_descriptor): Ditto. Add assertions before the call.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_section_startstride): Remove coarray_last
        argument. Remove condition on coarray_last.
        (gfc_conv_ss_startstride): Update call to gfc_conv_section_startstride.
        (gfc_conv_expr_descriptor): Ditto.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_walk_variable_expr): Remove scalar coarray
        handling.  Don't reset array ref's corank and codimensions' types
        in the full array ref case.  Update loop upper limit.
        Remove DIMEN_THIS_IMAGE case.  Remove unnecessary conditions.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans.h (gfc_ss_info): Remove codimen field.
        * trans-array.c (gfc_get_array_ss): Don't set codimen field.
        (gfc_trans_create_temp_array): Don't set descriptor's cobounds.
        (gfc_trans_constant_array_constructor): Update loop upper limit.
        (gfc_conv_ss_startstride): Don't set codimen field.
        Don't get descriptor's cobounds.
        (gfc_walk_variable_expr): Update dimension index.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Don't set codimen field

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans.h (gfc_loopinfo): Remove codimen field.
        * trans-array.c (gfc_set_vector_loop_bounds,
        gfc_trans_scalarizing_loops, gfc_conv_loop_setup): Update loop upper
        limit.
        (gfc_set_loop_bounds_from_array_spec): Ditto. Remove skip on last
        codimension.
        (gfc_start_scalarized_body): Update loop lower limit.
        (gfc_conv_ss_startstride): Don't set loop's codimen field.
        (gfc_conv_loop_setup): Remove unnecessary condition.
        (gfc_conv_expr_descriptor): Don't use loop's codimen field as corank.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans.h (gfc_ss): Remove data.temp.codimen field.
        * trans-array.c (gfc_conv_resolve_dependencies,
        gfc_conv_expr_descriptor): Don't set temp's codimen field.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * resolve.c (resolve_array_ref): Set array_ref's dimen field (and the
        associated dimen_type) in the full array ref case.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-intrinsic.c (walk_coarray): New function.
        (convert_element_to_coarray_ref): Move code to walk_coarray. Remove.
        (trans-this_image, trans_image_index, conv_intrinsic_cobound):
        Use walk_coarray.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_expr_descriptor): Add out-of-the-scalarizer
        cobounds evaluation.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_ss_startstride): Support zero rank loop.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_section_startstride): Move code to
        evaluate_bound.  Use evaluate_bound.
        (evaluate_bound): New function.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_section_startstride): Update assertion to
        also accept coarrays.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_section_startstride): Factor common
        array ref references.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_expr_descriptor): Use codim instead of
        loop.codimen as argument to gfc_get_array_type_bounds.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.h (struct gfc_se): New flag want_coarray.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Set want_coarray.
        * trans_array.c (gfc_conv_expr_descriptor): Evaluate codimension
        earlier and without relying on the scalarizer.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * expr.c (gfc_get_corank): Return 0 if input expression is not a
        coarray.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_conv_expr_descriptor): Simplify coarray
        descriptor setup code.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * resolve.c (compare_spec_to_ref): Move coarray ref initialization
        code...
        (resolve_array_ref): ... here.

2011-10-07  Mikael Morin  <mikael.morin@sfr.fr>

        * check.c (is_coarray): Remove.
        (coarray_check): Use gfc_is_coarray.

2011-10-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50625
        * class.c (gfc_build_class_symbol): Fix whitespace.
        * module.c (mio_symbol): Set 'class_ok' attribute.
        * trans-decl.c (gfc_get_symbol_decl): Make sure the backend_decl has
        been built for class symbols.

2011-10-04  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/35831
        * interface.c (check_dummy_characteristics): Check the array shape.

2011-10-01  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50585
        * interface.c (get_expr_storage_size): Check if 'length' component is
        associated.

2011-09-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50547
        * resolve.c (resolve_formal_arglist): Fix pureness check for dummy
        functions.

        PR fortran/50553
        * symbol.c (check_conflict): Forbid TARGET attribute for statement
        functions.

2011-09-27  Jakub Jelinek  <jakub@redhat.com>

        * trans-types.c (gfc_type_for_size): Return wider type
        if no suitable narrower type has been found.
        (gfc_type_for_mode): Return NULL_TREE if gfc_type_for_size
        returned type doesn't have expected TYPE_MODE.

2011-09-26  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50515
        * resolve.c (resolve_common_blocks): Check for EXTERNAL attribute.

        PR fortran/50517
        * interface.c (gfc_compare_interfaces): Bugfix in check for result type.

2011-09-22  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/41733
        * expr.c (gfc_check_pointer_assign): Check for nonintrinsic elemental
        procedures.
        * interface.c (gfc_compare_interfaces): Rename 'intent_flag'. Check
        for PURE and ELEMENTAL attributes.
        (compare_actual_formal): Remove pureness check here.

2011-09-20  Steven G. Kargl  <kargl@gcc.gnu.org>

        * check.c (gfc_check_c_sizeof): Remove redundant word.

2011-09-20  Simon Baldwin  <simonb@google.com>

        * module.c (gfc_dump_module): Omit timestamp from output.

2011-09-17  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50403
        * symbol.c (gfc_use_derived): Fix coding style.

2011-09-15  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50401
        * resolve.c (resolve_transfer): Check if component 'ref' is defined.

        PR fortran/50403
        * symbol.c (gfc_use_derived): Check if argument 'sym' is defined.

2011-09-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34547
        PR fortran/50375
        * check.c (gfc_check_null): Allow allocatables as MOLD to NULL.
        * resolve.c (resolve_transfer): Reject NULL without MOLD.
        * interface.c (gfc_procedure_use): Reject NULL without MOLD
        if no explicit interface is known.
        (gfc_search_interface): Reject NULL without MOLD if it would
        lead to ambiguity.

2011-09-13  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50379
        * symbol.c (check_conflict): Check conflict between GENERIC and RESULT
        attributes.

2011-09-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/50327
        * frontend-passes.c (dummy_expr_callback):  New function.
        (convert_do_while):  New function.
        (optimize_namespace):  Call code walker to convert do while loops.

2011-09-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/35831
        PR fortran/47978
        * interface.c (check_dummy_characteristics): New function to check the
        characteristics of dummy arguments.
        (gfc_compare_interfaces,gfc_check_typebound_override): Call it here.

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.c (gfc_trans_constant_array_constructor): Remove
        superfluous initialisation of DIM field.
        (gfc_trans_array_constructor): Assert that DIMEN field is properly set.
        (gfc_conv_expr_descriptor): Ditto.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.h (gfc_get_scalar_ss): New prototype.
        * trans-array.c (gfc_get_scalar_ss): New function.
        (gfc_walk_variable_expr, gfc_walk_op_expr,
        gfc_walk_elemental_function_args): Re-use gfc_get_scalar_ss.
        * trans-expr.c (gfc_trans_subarray_assign): Ditto.
        (gfc_trans_assignment_1): Ditto.
        * trans-stmt.c (compute_inner_temp_size, gfc_trans_where_assign,
        gfc_trans_where_3): Ditto.

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.h (gfc_get_temp_ss): New prototype.
        * trans-array.c (gfc_get_temp_ss): New function.
        (gfc_conv_resolve_dependencies): Re-use gfc_get_temp_ss.
        (gfc_conv_expr_descriptor): Ditto.
        * trans-expr.c (gfc_conv_subref_array_arg): Ditto.

2011-09-08  Mikael Morin  <mikael.morin@sfr.fr>

        * trans-array.h (gfc_get_array_ss): New prototype.
        * trans-array.c (gfc_get_array_ss): New function.
        (gfc_walk_variable_expr, gfc_walk_function_expr,
        gfc_walk_array_constructor): Re-use gfc_get_array_ss.
        * trans-expr.c (gfc_trans_subarray_assign): Ditto.
        * trans-intrinsic.c (gfc_walk_intrinsic_bound,
        gfc_walk_intrinsic_libfunc): Ditto.
        * trans-io.c (transfer_array_component): Ditto.

2011-09-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/44646
        * decl.c (gfc_match_entry, gfc_match_end): Handle COMP_DO_CONCURRENT.
        * dump-parse-tree.c (show_code_node): Handle EXEC_DO_CONCURRENT.
        * gfortran.h (gfc_exec_op): Add EXEC_DO_CONCURRENT.
        * match.c (gfc_match_critical, match_exit_cycle, gfc_match_stopcode,
        lock_unlock_statement, sync_statement, gfc_match_allocate,
        gfc_match_deallocate, gfc_match_return): Add DO CONCURRENT diagnostic.
        (gfc_match_do): Match DO CONCURRENT.
        (match_derived_type_spec, match_type_spec, gfc_free_forall_iterator,
        match_forall_iterator, match_forall_header, match_simple_forall,
        gfc_match_forall): Move up in the file.
        * parse.c (check_do_closure, parse_do_block): Handle do concurrent.
        * parse.h (gfc_compile_state): Add COMP_DO_CONCURRENT.
        * resolve.c (do_concurrent_flag): New global variable.
        (resolve_function, pure_subroutine, resolve_branch,
        gfc_resolve_blocks, resolve_code, resolve_types): Add do concurrent
        diagnostic.
        * st.c (gfc_free_statement): Handle EXEC_DO_CONCURRENT.
        * trans-stmt.c (gfc_trans_do_concurrent): New function.
        (gfc_trans_forall_1): Handle do concurrent.
        * trans-stmt.h (gfc_trans_do_concurrent): New function prototype.
        * trans.c (trans_code): Call it.
        * frontend-passes.c (gfc_code_walker): Handle EXEC_DO_CONCURRENT.

2011-09-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48095
        * primary.c (gfc_match_structure_constructor): Handle parsing of
        procedure pointers components in structure constructors.
        * resolve.c (resolve_structure_cons): Check interface of procedure
        pointer components. Changed wording of some error messages.

2011-09-04  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50227
        * trans-types.c (gfc_sym_type): Check for proc_name.

2011-08-30  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45044
        * trans-common.c (build_common_decl): Warn if named common
        block's size is not everywhere the same.

2011-08-30  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/45170
        * trans-stmt.c (gfc_trans_allocate): Evaluate the substring.

2011-08-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50225
        * trans-decl.c (gfc_generate_function_code): Nullify polymorphic
        allocatable function results.

2011-08-29  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (generate_coarray_sym_init): Use
        GFC_CAF_COARRAY_STATIC for static coarrays.

2011-08-28  Dodji Seketeli  <dodji@redhat.com>

        * scanner.c (load_file): Don't abuse LC_RENAME reason while
        (indirectly) calling linemap_add.

2011-08-26  Jakub Jelinek  <jakub@redhat.com>

        * trans-decl.c (get_proc_pointer_decl): Set DECL_TLS_MODEL
        if threadprivate.
        * symbol.c (check_conflict): Allow threadprivate attribute with
        FL_PROCEDURE if proc_pointer.

2011-08-25  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50050
        * expr.c (gfc_free_shape): Do nothing if shape is NULL.
        (free_expr0): Remove redundant NULL shape check.
        * resolve.c (check_host_association): Ditto.
        * trans-expr.c (gfc_trans_subarray_assign): Assert that shape is
        non-NULL.
        * trans-io.c (transfer_array_component): Ditto.

2011-08-25  Tobias Burnus  <burnus@net-b.de>

        * trans-array.c (gfc_conv_descriptor_token): Add assert.
        * trans-decl.c (gfc_build_qualified_array,
        create_function_arglist): Handle assumed-shape arrays.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * trans-types.c (gfc_get_array_descriptor_base): Ditto, don't
        add "caf_token" to assumed-shape descriptors, new akind argument.
        (gfc_get_array_type_bounds): Pass akind.
        * trans.h (lang_decl): New elements caf_offset and token.
        (GFC_DECL_TOKEN, GFC_DECL_CAF_OFFSET): New macros.

2011-08-25  Tobias Burnus  <burnus@net-b.de>

        * trans-array.c (structure_alloc_comps): Fix for allocatable
        scalar coarray components.
        * trans-expr.c (gfc_conv_component_ref): Ditto.
        * trans-type.c (gfc_get_derived_type): Ditto.

2011-08-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50163
        * expr.c (check_init_expr): Return when an error occured.

2011-08-24  Joseph Myers  <joseph@codesourcery.com>

        * Make-lang.in (fortran/cpp.o): Remove explicit compilation rule.

2011-08-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31600
        * symbol.c (gfc_add_type): Better diagnostic if redefining
        use-associated symbol.
        * module.c (gfc_use_module): Use module name as locus.

2011-08-22  Gabriel Charette  <gchare@google.com>

        * cpp.c (gfc_cpp_init): Force BUILTINS_LOCATION for tokens
        defined in cpp_define_builtins.

2011-08-22  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/50050
        * gfortran.h (gfc_clear_shape, gfc_free_shape): New prototypes.
        * expr.c (gfc_clear_shape, gfc_free_shape): New functions.
        (free_expr0): Re-use gfc_free_shape.
        * trans-expr.c (gfc_trans_subarray_assign): Ditto.
        * trans-io.c (transfer_array_component): Ditto.
        * resolve.c (check_host_association): Ditto.
        (gfc_expr_to_initialize): Don't force the rank value and free the shape
        after updating the expression. Recalculate shape and rank.
        (resolve_where_shape): Re-use gfc_clear_shape.
        * array.c (gfc_array_ref_shape): Ditto.

2011-08-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/47659
        * expr.c (gfc_check_assign): Check for type conversions when the
        right-hand side is a constant REAL/COMPLEX contstant the left-hand
        side is also REAL/COMPLEX.  Don't warn when a narrowing conversion
        for REAL does not change the value of the constant.

2011-08-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/50130
        * resolve.c (resolve_array_ref):  Don't calculate upper bound
        if the stride is zero.

2011-08-20  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49638
        * dependency.c (gfc_dep_compare_expr): Add new result value "-3".
        (gfc_check_element_vs_section,gfc_check_element_vs_element): Handle
        result value "-3".
        * frontend-passes.c (optimize_comparison): Ditto.
        * interface.c (gfc_check_typebound_override): Ditto.

2011-08-19  Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/50129
        * parse.c (parse_where): Undo changes after emitting an error. 

2011-08-19  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/49792
        * trans-expr.c (gfc_trans_assignment_1): Set OMPWS_SCALARIZER_WS
        bit in ompws_flags only if loop.temp_ss is NULL, and clear it if
        lhs needs reallocation.
        * trans-openmp.c (gfc_trans_omp_workshare): Don't return early if
        code is NULL, emit a barrier if workshare emitted no code at all
        and NOWAIT clause isn't present.

2011-08-19  Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/50071
        * gfortran.h (gfc_exec_op): New constant EXEC_END_NESTED_BLOCK.
        * parse.c (check_statement_label): Accept ST_END_BLOCK and
        ST_END_ASSOCIATE as valid branch target.
        (accept_statement): Change EXEC_END_BLOCK to EXEC_END_NESTED_BLOCK.
        Add EXEC_END_BLOCK code in the ST_END_BLOCK and ST_END_ASSOCIATE cases.
        * resolve.c (find_reachable_labels): Change EXEC_END_BLOCK to
        EXEC_END_NESTED_BLOCK.
        (resolve_branch): Ditto.
        (resolve_code): Add EXEC_END_NESTED_BLOCK case.
        * st.c (gfc_free_statement): Ditto.
        * trans.c (trans_code): Ditto.

2011-08-18  Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/50071
        * symbol.c (gfc_get_st_label): Use the derived type namespace when
        we are parsing a derived type definition.

2011-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * parse.c (parse_derived): Add lock_type
        checks, improve coarray_comp handling.
        * resolve.c (resolve_allocate_expr,
        resolve_lock_unlock, resolve_symbol): Fix lock_type
        constraint checks.

2011-08-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31461
        * trans-decl.c (generate_local_decl): Warn about
        unused explicitly imported module variables/parameters.

2011-08-17  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50070
        * resolve.c (resolve_fl_variable): Reject non-constant character lengths
        in COMMON variables.

2011-08-16  Tobias Burnus  <burnus@net-b.de>
            Dominique Dhumieres  <dominiq@lps.ens.fr>

        PR fortran/50094
        * resolve.c (resolve_symbol): Fix stupid typo.

2011-08-15  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_symbol): Fix coarray result-var check.

2011-08-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        * module.c (use_iso_fortran_env_module):  Spell 'referrenced' correctly.

2011-08-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/50073
        * decl.c (check_function_name): New function, separated off from
        'variable_decl' and slightly extended.
        (variable_decl,attr_decl1): Call it.

2011-08-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * Make-lang.in (gfortran$(exeext)): Add $(EXTRA_GCC_LIBS).

2011-08-07  Janus Weil  <janus@gcc.gnu.org>
            Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/49638
        * dependency.c (are_identical_variables): For dummy arguments only
        check for equal names, not equal symbols.
        * interface.c (gfc_check_typebound_override): Add checking for rank
        and character length.

2011-08-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49638
        * dependency.h (gfc_is_same_range,gfc_are_identical_variables): Remove
        two prototypes.
        * dependency.c (gfc_are_identical_variables,are_identical_variables):
        Renamed the former to the latter and made static.
        (gfc_dep_compare_expr): Renamed 'gfc_are_identical_variables', handle
        commutativity of multiplication.
        (gfc_is_same_range,is_same_range): Renamed the former to the latter,
        made static and removed argument 'def'.
        (check_section_vs_section): Renamed 'gfc_is_same_range'.
        * gfortran.h (gfc_check_typebound_override): New prototype.
        * interface.c (gfc_check_typebound_override): Moved here from ...
        * resolve.c (check_typebound_override): ... here (and renamed).
        (resolve_typebound_procedure): Renamed 'check_typebound_override'.

2011-08-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/50004
        * target-memory.c (gfc_target_expr-size): Don't clobber typespec
        for derived types.
        * simplify.c (gfc_simplify_transfer): Don't calculate source_size
        twice.

2011-08-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/37211
        * gfortran.h (gfc_calculate_transfer_sizes):  Add prototype.
        * target-memory.h (gfc_target_interpret_expr):  Add boolean
        argument wether to convert wide characters.
        * target-memory.c (gfc_target_expr_size):  Also return length
        of characters for non-constant expressions if these can be
        determined from the cl.
        (interpret_array):  Add argument for gfc_target_interpret_expr.
        (gfc_interpret_derived):  Likewise.
        (gfc_target_interpret_expr):  Likewise.
        * check.c:  Include target-memory.h.
        (gfc_calculate_transfer_sizes):  New function.
        (gfc_check_transfer):  When -Wsurprising is in force, calculate
        sizes and warn if result is larger than size (check moved from
        gfc_simplify_transfer).
        * simplify.c (gfc_simplify_transfer):  Use
        gfc_calculate_transfer_sizes.  Remove warning.

2011-08-04  Richard Guenther  <rguenther@suse.de>

        PR fortran/49957
        * trans-array.c (add_to_offset): New function.
        (gfc_conv_array_ref): Build the array index expression in optimally
        associated order.
        (gfc_walk_variable_expr): Adjust for the backward walk.

2011-08-02  Daniel Kraft  <d@domob.eu>

        PR fortran/49885
        * trans-array.c (gfc_trans_auto_array_allocation): Change
        gfc_start_block to gfc_init_block to avoid spurious extra-scope.

2011-08-02  Tobias Burnus  <burnus@net-b.de>

        * trans-array.c (gfc_array_allocate): Pass token to
          gfc_allocate_allocatable for -fcoarray=lib.
        * trans-stmt.c (gfc_trans_allocate): Update
        gfc_allocate_allocatable call.
        * trans.h (gfc_allocate_allocatable): Update prototype.
        (gfc_allocate_using_lib): Remove.
        * trans.c (gfc_allocate_using_lib): Make static, handle token.
        (gfc_allocate_allocatable): Ditto.

2011-08-02  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/46752
        * cpp.c (cpp_define_builtins): Change _OPENMP to 201107.
        * openmp.c (gfc_free_omp_clauses): Free also final_expr.
        (OMP_CLAUSE_FINAL, OMP_CLAUSE_MERGEABLE): Define.
        (gfc_match_omp_clauses): Handle parsing final and mergeable
        clauses.
        (OMP_TASK_CLAUSES): Allow final and mergeable clauses.
        (gfc_match_omp_taskyield): New function.
        (resolve_omp_clauses): Resolve final clause.  Allow POINTERs and
        Cray pointers in clauses other than REDUCTION.
        (gfc_match_omp_atomic): Match optional
        read/write/update/capture keywords after !$omp atomic.
        (resolve_omp_atomic): Handle all OpenMP 3.1 atomic forms.
        * dump-parse-tree.c (show_omp_node): Handle EXEC_OMP_TASKYIELD,
        print final and mergeable clauses.
        (show_code_node): Handle EXEC_OMP_TASKYIELD.
        * trans-openmp.c (gfc_trans_omp_clauses): Handle final and
        mergeable clauses.
        (gfc_trans_omp_taskyield): New function.
        (gfc_trans_omp_directive): Handle EXEC_OMP_TASKYIELD.
        (gfc_trans_omp_atomic): Handle all OpenMP 3.1 atomic forms.
        (gfc_omp_clause_copy_ctor): Handle non-allocated allocatable.
        (gfc_omp_predetermined_sharing): Adjust comment.
        * gfortran.h (gfc_statement): Add ST_OMP_TASKYIELD and
        ST_OMP_END_ATOMIC.
        (gfc_omp_clauses): Add final_expr and mergeable fields.
        (gfc_exec_op): Add EXEC_OMP_TASKYIELD.
        (gfc_omp_atomic_op): New enum typedef.
        (struct gfc_code): Add ext.omp_atomic.
        * trans.c (trans_code): Handle EXEC_OMP_TASKYIELD.
        * frontend-passes.c (gfc_code_walker): Also walk final_expr.
        * resolve.c (gfc_resolve_blocks, resolve_code): Handle
        EXEC_OMP_TASKYIELD.
        * st.c (gfc_free_statement): Likewise.
        * match.h (gfc_match_omp_taskyield): New prototype.
        * parse.c (decode_omp_directive): Handle taskyield directive.
        Handle !$omp end atomic.
        (case_executable): Add ST_OMP_TASKYIELD case.
        (gfc_ascii_statement): Handle ST_OMP_TASKYIELD.
        (parse_omp_atomic): Return gfc_statement instead of void.
        For !$omp atomic capture parse two assignments instead of
        just one and require !$omp end atomic afterwards, for
        other !$omp atomic forms just allow !$omp end atomic at the
        end.
        (parse_omp_structured_block, parse_executable): Adjust
        parse_omp_atomic callers.

2011-08-02  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.c (OMP_LIB): Updated openmp_version's
        value to 201107.
        * gfortran.texi (OpenMP): Update ref to OpenMP 3.1.
        * intrinsic.texi (OpenMP Modules): Update ref to OpenMP 3.1;
        remove deleted omp_integer_kind and omp_logical_kind constants.

2011-07-31  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49112
        * resolve.c (resolve_structure_cons): Don't do the full dt resolution,
        only call 'resolve_fl_derived0'.
        (resolve_typebound_procedures): Resolve typebound procedures of
        parent type.
        (resolve_fl_derived0): New function, which does a part of the work
        for 'resolve_fl_derived'.
        (resolve_fl_derived): Call 'resolve_fl_derived0' and do some additional
        things.

2011-07-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48876
        * expr.c (gfc_simplify_expr):  If end of a string is less
        than zero, set it to zero.

2011-07-28  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/31067
        * frontend-passes.c (optimize_minmaxloc): New function.
        (optimize_expr): Call it.

2011-07-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45586
        * trans-types.c (gfc_get_derived_type): Ensure that pointer
        component types are marked as nonrestricted.

2011-07-27  Daniel Carrera  <dcarrera@gmail.com>

        PR fortran/49755
        * trans.c (gfc_allocate_using_malloc): Change function signature.
        Return nothing. New parameter "pointer". Eliminate temorary variables. 
        (gfc_allocate_using_lib): Ditto.
        (gfc_allocate_allocatable): Ditto. Update call to gfc_allocate_using_lib
        and gfc_allocate_using_malloc. Do not free and then reallocate a
        variable that is already allocated.
        (gfc_likely): New function. Basedon gfc_unlikely.
        * trans-array.c (gfc_array_init_size): New parameter "descriptor_block".
        Instructions to modify the array descriptor are stored in this block
        while other instructions continue to be stored in "pblock".
        (gfc_array_allocate): Update call to gfc_array_init_size. Move the
        descriptor_block so that the array descriptor is only updated if
        the array was allocated successfully.
        Update calls to gfc_allocate_allocatable and gfc_allocate_using_malloc.
        * trans.h (gfc_allocate_allocatable): Change function signature.
        Function now returns void.
        (gfc_allocate_using_lib): Ditto, and new function parameter.
        (gfc_allocate_using_malloc): Ditto.
        * trans-openmp.c (gfc_omp_clause_default_ctor,
        gfc_omp_clause_copy_ctor,gfc_trans_omp_array_reduction): Replace a call
        to gfc_allocate_allocatable with gfc_allocate_using_malloc.
        * trans-stmt.c (gfc_trans_allocate): Update function calls for
        gfc_allocate_allocatable and gfc_allocate_using_malloc.

2011-07-26  Tobias Burnus  <burnus@net-b.de>

        * trans-array.c (CAF_TOKEN_FIELD): New macro constant.
        (gfc_conv_descriptor_token): New function.
        * trans-array.h (gfc_conv_descriptor_token): New prototype.
        * trans-types.c (gfc_get_array_descriptor_base): For coarrays
        with -fcoarray=lib, append "void *token" to the array descriptor.
        (gfc_array_descriptor_base_caf): New static variable.
        * trans-expr.c (gfc_conv_procedure_call): Handle token and offset
        when passing a descriptor coarray to a nondescriptor dummy. 

2011-07-23  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_symbol): Fix coarray var decl check.

2011-07-21  Daniel Carrera  <dcarrera@gmail.com>

        * trans.c (gfc_allocate_with_status): Split into two functions
        gfc_allocate_using_malloc and gfc_allocate_usig_lib.
        (gfc_allocate_using_malloc): The status parameter is now the
        actual status rather than a pointer. Code cleanup.
        (gfc_allocate_using_lib): Ditto. Add new parametrs errmsg and
        errlen. Pass these to the coarray lib.
        * trans-openmp.c (gfc_omp_clause_default_ctor): Update calls to
        gfc_allocate_allocatable.
        (gfc_omp_clause_copy_ctor): Ditto.
        (gfc_trans_omp_array_reduction): Ditto.
        * trans-stmt.c (gfc_trans_allocate): Ditto. Update call to
        gfc_allocate_using_malloc. Pass stat rather than pstat to the allocate
        fuctions. If using coarray lib, pass errmsg and errlen to the allocate
        functions. Move error checking outside the if (!gfc_array_allocate)
        block so that it also affects trees produced by gfc_array_allocate.
        * trans-array.c (gfc_array_allocate): Add new parameters errmsg
        and errlen. Replace parameter pstat by status. Code cleanup. Update
        calls to gfc_allocate_allocatable and gfc_allocate_using_malloc.
        * trans-array.h (gfc_array_allocate): Update signature of
        gfc_array_allocate.

2011-07-21  Steven G. Kargl  <kargl@gcc.gnu.org>

        * gfortran.texi: Remove a duplicate word.

2011-07-21  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_present): Allow coarrays.
        * trans-array.c (gfc_conv_array_ref): Avoid casting
        when a pointer is wanted.
        * trans-decl.c (create_function_arglist): For -fcoarray=lib,
        handle hidden token and offset arguments for nondescriptor
        coarrays.
        * trans-expr.c (get_tree_for_caf_expr): New function.
        (gfc_conv_procedure_call): For -fcoarray=lib pass the
        token and offset for nondescriptor coarray dummies.
        * trans.h (lang_type): Add caf_offset tree.
        (GFC_TYPE_ARRAY_CAF_OFFSET): New macro.

2011-07-19  Tobias Burnus  <burnus@net-b.de>

        * expr.c (gfc_is_coarray): New function.
        * gfortran.h (gfc_is_coarray): New prototype.
        * interface.c (compare_parameter): Use it.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * trans-expr.c (fill_with_spaces): Use fold_build_pointer_plus.
        (gfc_trans_string_copy): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Likewise.
        * trans-types.c (gfc_get_array_descr_info): Likewise.
        * trans.c (gfc_build_array_ref): Likewise.

2011-07-19  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49708
        * resolve.c (resolve_allocate_expr): Fix diagnostics for pointers.

2011-07-18  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (gfc_build_qualified_array): Make coarray's
        token TYPE_QUAL_RESTRICT.

2011-07-18  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_transfer): Mention defined I/O
        in the diagnostic for alloc_comp/pointer_comp.

2011-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34657
        * module.c (check_for_ambiguous): Check whether the name is matches
        the current program unit.

2011-07-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49624
        * expr.c (gfc_check_pointer_assign): Fix checking for invalid
        pointer bounds.

2011-07-16  Tobias Burnus  <burnus@net-b.de>
        
        * expr.c (gfc_ref_this_image): New function.
        (gfc_is_coindexed): Use it.
        * gfortran.h (gfc_ref_this_image): New prototype.
        * resolve.c (resolve_deallocate_expr,
        resolve_allocate_expr): Support alloc scalar coarrays.
        * trans-array.c (gfc_conv_array_ref, gfc_array_init_size,
        gfc_conv_descriptor_cosize, gfc_array_allocate,
        gfc_trans_deferred_array): Ditto.
        * trans-expr.c (gfc_conv_variable) Ditto.:
        * trans-stmt.c (gfc_trans_deallocate): Ditto.
        * trans-types.c (gfc_get_element_type, gfc_get_array_type_bounds
        gfc_get_array_descr_info): Ditto.
        * trans-decl.c (gfc_get_symbol_decl): Ditto.

2011-07-11  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/49698
        * trans-stmt.c (gfc_trans_pointer_assign_need_temp): Initialize
        inner_size to gfc_index_one_node instead of integer_one_node.

2011-07-10  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49690
        * intrinsic.c (add_functions): Use BT_VOID for 2nd argument of SIGNAL.

2011-07-09  Uros Bizjak  <ubizjak@gmail.com>

        PR fortran/48926
        * expr.c (gfc_get_corank): Change return value to int.
        * gfortran.h (gfc_get_corank): Update function prototype.

2011-07-07  Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/49648
        * resolve.c (resolve_symbol): Force resolution of function result's
        array specification.

2011-07-07  Tobias Burnus  <burnus@net-b.de>

        * trans.c (gfc_allocate_with_status): Call _gfortran_caf_register
        with NULL arguments for (new) stat=/errmsg= arguments.

2011-07-06  Daniel Carrera  <dcarrera@gmail.com>

        * trans-array.c (gfc_array_allocate): Rename allocatable_array to
        allocatable. Rename function gfc_allocate_array_with_status to
        gfc_allocate_allocatable_with_status. Update function call for
        gfc_allocate_with_status.
        * trans-opemp.c (gfc_omp_clause_default_ctor): Rename function
        gfc_allocate_array_with_status to gfc_allocate_allocatable_with_status.
        * trans-stmt.c (gfc_trans_allocate): Update function call for
        gfc_allocate_with_status. Rename function gfc_allocate_array_with_status
        to gfc_allocate_allocatable_with_status.
        * trans.c (gfc_call_malloc): Add new parameter gfc_allocate_with_status
        so it uses the library for memory allocation when -fcoarray=lib.
        (gfc_allocate_allocatable_with_status): Renamed from
        gfc_allocate_array_with_status.
        (gfc_allocate_allocatable_with_status): Update function call for
        gfc_allocate_with_status.
        * trans.h (gfc_coarray_type): New enum.
        (gfc_allocate_with_status): Update prototype.
        (gfc_allocate_allocatable_with_status): Renamed from
        gfc_allocate_array_with_status.
        * trans-decl.c (generate_coarray_sym_init): Use the new constant
        GFC_CAF_COARRAY_ALLOC in the call to gfor_fndecl_caf_register.

2011-07-06  Richard Guenther  <rguenther@suse.de>

        * f95-lang.c (gfc_init_decl_processing):
        Merge calls to build_common_tree_nodes and build_common_tree_nodes_2.

2011-07-04  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/49623
        * gfortranspec.c (lang_specific_driver): Ignore options with
        CL_ERR_MISSING_ARG errors.

2011-07-02  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49562
        * expr.c (gfc_check_vardef_context): Handle type-bound procedures.

2011-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/49540
        * gfortran.h (gfc_constructor): Add repeat field.
        * trans-array.c (gfc_conv_array_initializer): Handle repeat > 1.
        * array.c (current_expand): Add repeat field.
        (expand_constructor): Copy repeat.
        * constructor.c (node_free, node_copy, gfc_constructor_get,
        gfc_constructor_lookup): Handle repeat field.
        (gfc_constructor_lookup_next, gfc_constructor_remove): New functions.
        * data.h (gfc_assign_data_value): Add mpz_t * argument.
        (gfc_assign_data_value_range): Removed.
        * constructor.h (gfc_constructor_advance): Removed.
        (gfc_constructor_lookup_next, gfc_constructor_remove): New prototypes.
        * data.c (gfc_assign_data_value): Add REPEAT argument, handle it and
        also handle overwriting a range with a single entry.
        (gfc_assign_data_value_range): Removed.
        * resolve.c (check_data_variable): Adjust gfc_assign_data_value
        call.  Use gfc_assign_data_value instead of
        gfc_assign_data_value_expr.

2011-06-27  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49466
        * trans-array.c (structure_alloc_comps): Make sure sub-components
        and extended types are correctly deallocated.

2011-06-21  Andrew MacLeod  <amacleod@redhat.com>

        * trans-openmp.c: Add sync_ or SYNC__ to builtin names.
        * trans-stmt.c: Add sync_ or SYNC__ to builtin names.
        * trans-decl.c: Add sync_ or SYNC__ to builtin names.

2011-06-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49112
        * class.c (gfc_find_derived_vtab): Make vtab and default initialization
        symbols SAVE_IMPLICIT.

2011-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_check_vardef_context): Update prototype.
        (iso_fortran_env_symbol): Handle derived types.
        (symbol_attribute): Add lock_comp.
        * expr.c (gfc_check_vardef_context): Add LOCK_TYPE check.
        * interface.c (compare_parameter, gfc_procedure_use): Handle
        LOCK_TYPE.
        (compare_actual_formal): Update
        gfc_check_vardef_context call.
        * check.c (gfc_check_atomic_def, gfc_check_atomic_ref): Ditto.
        * intrinsic.c (check_arglist): Ditto.
        * io.c (resolve_tag, gfc_resolve_dt, gfc_resolve_inquire): Ditto.
        * iso-fortran-env.def (ISOFORTRAN_LOCK_TYPE): Add.
        * intrinsic.texi (ISO_FORTRAN_ENV): Document LOCK_TYPE.
        * module.c (mio_symbol_attribute): Handle lock_comp.
        (create_derived_type): New function.
        (use_iso_fortran_env_module): Call it to handle LOCK_TYPE.
        * parse.c (parse_derived): Add constraint check for LOCK_TYPE.
        * resolve.c (resolve_symbol, resolve_lock_unlock): Add constraint
        checks for LOCK_TYPE.
        (gfc_resolve_iterator, resolve_deallocate_expr,
        resolve_allocate_expr, resolve_code, resolve_transfer): Update
        gfc_check_vardef_context call.
        * trans-stmt.h (gfc_trans_lock_unlock): New prototype.
        * trans-stmt.c (gfc_trans_lock_unlock): New function.
        * trans.c (trans_code): Handle LOCK and UNLOCK.

2011-06-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49400
        * decl.c (gfc_match_procedure): Allow PROCEDURE declarations inside
        BLOCK constructs.

2011-06-17  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48699
        * check.c (gfc_check_move_alloc): If 'TO' argument is polymorphic,
        make sure the vtab is present.

2011-06-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49074
        * interface.c (gfc_extend_assign): Propagate the locus from the
        assignment to the type-bound procedure call.

2011-06-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/49417
        * module.c (mio_component): Make sure the 'class_ok' attribute is set
        for use-associated CLASS components.
        * parse.c (parse_derived): Check for 'class_ok' attribute.
        * resolve.c (resolve_fl_derived): Ditto.

2011-06-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (remove_trim):  New function.
        (optimize_assignment):  Use it.
        (optimize_comparison):  Likewise.  Return correct status
        for previous change.

2011-06-12  Tobias Burnus

        PR fortran/49324
        * trans-expr.c (gfc_trans_assignment_1): Tell
        gfc_trans_scalar_assign to also deep-copy RHS nonvariables
        with allocatable components.
        * trans-array.c (gfc_conv_expr_descriptor): Ditto.

2011-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (optimize_assignment): Follow chains
        of concatenation operators to the end for removing trailing
        TRIMS for assignments.

2011-06-10  Daniel Carrera  <dcarrera@gmail.com>

        * trans-decl.c (gfc_build_builtin_function_decls):
        Updated declaration of caf_sync_all and caf_sync_images.
        * trans-stmt.c (gfc_trans_sync): Function
        can now handle a "stat" variable that has an integer type
        different from integer_type_node.

2011-06-09  Richard Guenther  <rguenther@suse.de>

        * trans.c (gfc_allocate_array_with_status): Mark error path
        as unlikely.

2011-06-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_statement): Add ST_LOCK and ST_UNLOCK.
        (gfc_exec_op): Add EXEC_LOCK and EXEC_UNLOCK.
        (gfc_code): Add expr4.
        * match.h (gfc_match_lock, gfc_match_unlock): New prototypes.
        * match.c (gfc_match_lock, gfc_match_unlock,
        lock_unlock_statement): New functions.
        (sync_statement): Bug fix, avoiding double freeing.
        (gfc_match_if): Handle LOCK/UNLOCK statement.
        * parse.c (decode_statement, next_statement,
        gfc_ascii_statement): Ditto.
        * st.c (gfc_free_statement): Handle LOCK and UNLOCK.
        * resolve.c (resolve_lock_unlock): New function.
        (resolve_code): Call it.
        * dump-parse-tree.c (show_code_node): Handle LOCK/UNLOCK.

2011-06-07  Richard Guenther  <rguenther@suse.de>

        * f95-lang.c (gfc_init_decl_processing): Do not set
        size_type_node or call set_sizetype.

2011-06-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49255
        * trans-expr.c (gfc_conv_procedure_call): Fix -fcheck=pointer
        for F2008.

2011-06-05  Andreas Schmidt  <andreas.schmidt.42@gmx.net>
        Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-parse-tree.c (show_symbol):  Don't dump namespace
        for ENTRY to avoid infinite recursion.

2011-06-02  Asher Langton  <langton2@llnl.gov>

        PR fortran/49268
        * trans-decl.c (gfc_trans_deferred_vars): Treat assumed-size Cray
        pointees as AS_EXPLICIT.

2011-06-02  Asher Langton  <langton2@llnl.gov>

        PR fortran/37039
        * decl.c (variable_decl): Merge current_as before copying to cp_as.

2011-06-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/49265
        * decl.c (gfc_match_modproc):  Allow for a double colon in a module
        procedure statement.
        * parse.c ( decode_statement): Deal with whitespace around :: in
        gfc_match_modproc.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * intrinsic.c (klass): Add CLASS_ATOMIC.
        (add_subroutines): Add atomic_ref/atomic_define.
        * intrinsic.texi (ATOMIC_REF, ATOMIC_DEFINE): Document.
        * intrinsic.h (gfc_check_atomic_def, gfc_check_atomic_ref,
        gfc_resolve_atomic_def, gfc_resolve_atomic_ref): New prototypes.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_ATOMIC_DEF
        and GFC_ISYM_ATOMIC_REF.
        (gfc_atomic_int_kind, gfc_atomic_logical_kind): New global vars.
        * iresolve.c (gfc_resolve_atomic_def, gfc_resolve_atomic_ref): New
        functions.
        * check.c (gfc_check_atomic, gfc_check_atomic_def,
        gfc_check_atomic_ref): New functions.
        * iso-fortran-env.def (ISOFORTRANENV_FILE_ATOMIC_INT_KIND,
        ISOFORTRANENV_FILE_ATOMIC_LOGICAL_KIND): Change kind value.
        * trans-intrinsic.c (conv_intrinsic_atomic_def,
        conv_intrinsic_atomic_ref, gfc_conv_intrinsic_subroutine): New
        functions.
        (conv_intrinsic_move_alloc) Renamed from
        gfc_conv_intrinsic_move_alloc - and made static.
        * trans.h (gfc_conv_intrinsic_move_alloc): Remove.
        (gfc_conv_intrinsic_subroutine) Add prototype.
        * trans.c (trans_code): Call gfc_conv_intrinsic_subroutine.
        * trans-types (gfc_atomic_int_kind, gfc_atomic_logical_kind): New
        global vars.
        (gfc_init_kinds): Set them.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_trans_dummy_array_bias): Handle
        cobounds of assumed-shape arrays.

2011-05-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * resolve.c (resolve_fl_variable): Handle static coarrays
        with non-constant cobounds.

2011-05-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47601
        * module.c (mio_component_ref): Handle components of extended types.
        * symbol.c (gfc_find_component): Return is sym is NULL.

2011-05-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * interface.c (compare_parameter): Add check for passing coarray
        to allocatable noncoarray dummy.

2011-05-29  Tobias Burnus  <burnus@net-b.de>
            Richard Guenther  <rguenther@suse.de>

        PR fortran/18918
        * trans-types.c (gfc_get_nodesc_array_type): Don't mess with
        the type's TREE_TYPE.
        * trans-array.c (gfc_conv_array_ref): Use TYPE_MAIN_VARIANT.
        * trans.c (gfc_build_array_ref): Ditto.

2011-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * check.c (gfc_check_associated, gfc_check_null): Add coindexed check.
        * match.c (gfc_match_nullify): Ditto.
        * resolve.c (resolve_deallocate_expr): Ditto.
        * trans-types.c (gfc_get_nodesc_array_type): Don't set restricted
        for nonpointers.

2011-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48820
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_RANK.
        * intrinsic.c (add_functions): Add rank intrinsic.
        (gfc_check_intrinsic_standard): Handle GFC_STD_F2008_TR.
        * intrinsic.h (gfc_simplify_rank, gfc_check_rank): Add prototypes.
        * simplify.c (gfc_simplify_rank): New function.
        * intrinsic.texi (RANK): Add description for rank intrinsic.
        * check.c (gfc_check_rank): New function.

2011-05-26  Paul Thomas  <pault@gcc.gnu.org>
            Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48955
        * trans-expr.c (gfc_trans_assignment_1): GFC_REVERSE_NOT_SET
        changed to GFC_ENABLE_REVERSE.
        * trans-array.c (gfc_init_loopinfo): GFC_CANNOT_REVERSE changed
        to GFC_INHIBIT_REVERSE.
        * gfortran.h: Enum gfc_reverse is now GFC_ENABLE_REVERSE,
        GFC_FORWARD_SET, GFC_REVERSE_SET and GFC_INHIBIT_REVERSE.
        * dependency.c (gfc_dep_resolver): Change names for elements of
        gfc_reverse as necessary. Change the logic so that forward
        dependences are remembered as well as backward ones. When both
        have appeared, force a temporary.

2011-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_conv_array_ref): Handle pointer coarrays.
        * trans-decl.c (has_coarray_vars, caf_init_block,
        gfor_fndecl_caf_register): New file-global variables.
        (gfc_finish_var_decl): Make sure that coarrays in main are static.
        (gfc_build_qualified_array): Generate coarray token variable.
        (gfc_get_symbol_decl): Don't use a static initializer for coarrays.
        (gfc_build_builtin_function_decls): Set gfor_fndecl_caf_register.
        (gfc_trans_deferred_vars, gfc_emit_parameter_debug_info): Skip for
        static coarrays.
        (generate_local_decl): Check for local coarrays.
        (create_main_function): SYNC ALL before calling MAIN.
        (generate_coarray_sym_init): Register static coarray.
        (generate_coarray_init): Generate CAF registering constructor
        function.
        (gfc_generate_function_code): Call it, if needed, do not create
        cgraph twice.
        (gfc_generate_module_vars, gfc_process_block_locals): Call
        generate_coarray_init.
        * trans-types.c (gfc_get_nodesc_array_type): Generate pointers for
        -fcoarray=lib.
        * trans.h (gfor_fndecl_caf_register): New variable.
        (lang_type): New element caf_token.
        (GFC_TYPE_ARRAY_CAF_TOKEN): New macro.

2011-05-24  Joseph Myers  <joseph@codesourcery.com>

        * Make-lang.in (GFORTRAN_D_OBJS): Remove prefix.o.
        (gfortran$(exeext)): Use libcommon-target.a.

2011-05-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (cfe_register_funcs):  Also register
        character functions if their charlens are known and constant.
        Also register allocatable functions.

2011-05-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48699
        * match.c (select_type_set_tmp): Make the temporary ALLOCATABLE if the
        selector is ALLOCATABLE.

2011-05-20  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48706
        * module.c (write_dt_extensions): Do not write extended types which
        are local to a subroutine.

2011-05-20  Joseph Myers  <joseph@codesourcery.com>

        * Make-lang.in (GFORTRAN_D_OBJS): Remove version.o and intl.o.

2011-05-20  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi (set_fpe): Update documentation.
        * invoke.texi (-ffpe-trap): Likewise.
        * libgfortran.h (GFC_FPE_PRECISION): Rename to GFC_FPE_INEXACT.
        * options.c (gfc_handle_fpe_trap_option): Handle inexact and make
        precision an alias for it.

2011-05-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-types.c (gfc_get_element_type): Handle scalar coarrays.
        (gfc_get_nodesc_array_type): Make a variant-type copy for scalar
        coarrays.
        * trans.c (gfc_build_array_ref): Return original type not variant
        copy for scalar coarrays.
        * trans-array.c (gfc_conv_array_ref): Ditto.

2011-05-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48700
        * trans-intrinsic.c (gfc_conv_intrinsic_move_alloc): Deallocate 'TO'
        argument to avoid memory leaks.

2011-05-16  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (_gfortran_set_options): Add GFC_STD_F2008_TR.
        (Fortran 2008 status): Multi-image support for coarrays.
        (TR 19113 status): New section.

2011-05-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        actual argument is not an array; rank mismatch is diagnosted later.
        * trans-decl.c (gfc_get_symbol_decl, gfc_trans_deferred_vars): Handle
        scalar coarrays.
        * trans-types.c (gfc_get_array_type_bounds): Ditto.

2011-05-15  Joern Rennecke  <amylaar@spamcop.net>

        PR middle-end/46500
        * trans-types.c: Include "tm.h".
        [0] (c_size_t_size): Remove.

2011-05-15  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.texi (_gfortran_set_options): Even though -fbacktrace
        is now the default, the library defaults to backtracing disabled.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        * lang.opt (fdump-core): Re-add as ignored option
        for backward compatibility.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.texi: Update mixed-language programming section
        reflecting the removal of the fdump-core option, and that
        -fbacktrace is now enabled by default.

2011-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/22572
        * frontend-passes.c (cfe_register_funcs):  Also register functions
        for potential elimination if the rank is > 0, the shape is unknown
        and reallocate on assignment is active.
        (create_var):  For rank > 0 functions with unknown shape, create
        an allocatable temporary.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * interface.c (compare_parameter): Skip diagnostic if
        actual argument is not an array; rank mismatch is diagnosted later.

2011-05-14  Tobias Burnus  <burnus@net-b.de>

        * options.c (gfc_init_options, gfc_post_options): Enable
        -fstack-arrays by default if -Ofast is used.
        * invoke.texi (-fstack-arrays): Document this.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/48915
        * gfortran.h (gfc_option_t): Remove flag_dump_core.
        * gfortran.texi (GFORTRAN_ERROR_DUMPCORE): Remove section.
        (GFORTRAN_ERROR_BACKTRACE): Document that it's enabled by default.
        * intrinsic.texi (ABORT): Remove explanation of -fdump-core.
        * invoke.texi: Remove -fdump-core, document that -fbacktrace is
        enabled by default.
        * lang.opt: Remove -fdump-core.
        * options.c (gfc_init_options): Make backtrace default to enabled,
        remove dump_core.
        (gfc_handle_option): Remove OPT_fdump-core.
        * trans-decl.c: Pass a 0 to preserve ABI.

2011-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

        * gfortran.texi: Remove GFORTRAN_USE_STDERR documentation.

2011-05-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * io.c (resolve_tag_format, resolve_tag): Make sure
        that the string is of default kind.
        (gfc_resolve_inquire): Also resolve decimal tag.

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * resolve.c (resolve_intrinsic): Don't resolve module
        intrinsics multiple times.

2011-05-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48889
        * expr.c (gfc_is_constant_expr): Use e->value.function.esym
        instead of e->symtree->n.sym, if available.

2011-05-07  Eric Botcazou  <ebotcazou@adacore.com>

        * f95-lang.c (global_bindings_p): Return bool and simplify.

2011-05-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        PR fortran/48919
        * trans.h: Move gfc_init_coarray_decl prototype ...
        * gfortran.h: ... to here.
        * parse.c (translate_all_program_units): Call gfc_init_coarray_decl.
        (gfc_parse_file): Update translate_all_program_units call.
        * trans-decl.c (gfc_init_coarray_decl): Fix variable declaration,
        new argument whether DECL_EXTERNAL should be used.
        (create_main_function): Update gfc_init_coarray_decl call.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Ditto.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_walk_variable_expr): Continue walking
        for scalar coarrays.
        * trans-intrinsic.c (convert_element_to_coarray_ref): New function.
        (trans_this_image, trans_image_index, conv_intrinsic_cobound): Use it.
        (trans_this_image): Fix algorithm.
        * trans-types.c (gfc_get_element_type, gfc_get_array_descriptor_base,
        gfc_sym_type): Handle scalar coarrays.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48858
        PR fortran/48820
        * lang.opt (std=f2008tr): New.
        * libgfortran.h (GFC_STD_F2008_TR): New macro constant.
        * decl.c (verify_c_interop_param): Allow OPTIONAL in BIND(C)
        procedures for -std=f2008tr/gnu/legacy.
        (gfc_match_import): Set sym to NULL.
        * options.c (set_default_std_flags,gfc_handle_option): Handle
        -std=f2008tr.
        * invoke.texi (-std=): Document -std=f2008tr.

2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-decl.c (gfc_trans_entry_master_switch): Call build_case_label.
        * trans-io.c (add_case): Likewise.
        * trans-stmt.c (gfc_trans_integer_select): Likewise.
        (gfc_trans_character_select): Likewise.

2011-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * trans-decl.c (trans_function_start): Do not set
        dont_save_pending_sizes_p.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * trans.h (gfc_chainon_list): Delete.
        * trans.c (gfc_chainon_list): Delete.

2011-05-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48864
        * invoke.texi (fno-protect-parens): Document
        that -Ofast implies -fno-protect-parens.
        * options.c (gfc_init_options, gfc_post_options):
        Make -Ofast imply -fno-protect-parens.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-decl.c (build_library_function_decl_1): Call
        build_function_type_vec.  Adjust argument list building accordingly.
        * trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Likewise.
        * trans-types.c (gfc_get_function_type): Likewise.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (gfc_trans_array_constructor_value): Use
        size_int for bounds of range types.
        (gfc_trans_array_constructor_value): Use size_type_node
        for memcpy argument.
        * trans-common.c (build_field): Use gfc_charlen_type_node
        for lengths.
        * trans-openmp.c (gfc_trans_omp_clauses): Do not pass NULL
        as type to build_int_cst.
        * trans-const.c (gfc_build_string_const): Use size_int
        for bounds of range types.
        (gfc_build_wide_string_const): Likewise.
        * trans-stmt.c (gfc_trans_label_assign): Use gfc_charlen_type_node
        for lengths.
        (gfc_trans_character_select): Likewise.
        (gfc_trans_character_select): Do not pass NULL
        as type to build_int_cst.
        (gfc_trans_character_select): Use size_int for bounds of range types.
        * trans-io.c (gfc_build_io_library_fndecls): Likewise.
        (add_case): Do not pass NULL as type to build_int_cst.
        (transfer_expr): Likewise.
        (transfer_array_desc): Likewise.
        * trans-decl.c (gfc_add_assign_aux_vars): Use gfc_charlen_type_node
        for lengths.
        (gfc_trans_assign_aux_var): Likewise.
        (create_main_function): Use size_int for bounds of range types.
        * trans-intrinsic.c (gfc_conv_intrinsic_minmax_char): Do not pass
        NULL as type to build_int_cst.
        (gfc_conv_intrinsic_spacing): Likewise.
        (gfc_conv_intrinsic_rrspacing): Likewise.
        (gfc_conv_intrinsic_len): Use gfc_charlen_type_node for lengths.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * trans-types.c (gfc_get_array_type_bounds): Remove zero notrunc
        argument to int_const_binop.

2011-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (trans_this_image): Implement version with
        coarray argument.
        (conv_intrinsic_cobound): Simplify code.
        (gfc_conv_intrinsic_function): Call trans_this_image for
        this_image(coarray) except for -fcoarray=single.

2011-05-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/48720
        * gfortran.texi: Document the 'Q' exponent-letter extension.
        * invoke.texi: Document -Wreal-q-constant.
        * lang.opt: Add -Wreal-q-constant option.
        * gfortran.h: Add warn_real_q_constant to option struct.
        * primary.c (match_real_constant):  Use it.  Accept 'Q' as
        exponent-letter for REAL(16) real-literal-constant with a
        fallback to REAL(10) or error if REAL(10) is not available.
        * options.c (gfc_init_options, set_Wall) Set it.
        (gfc_handle_option): Handle new option.

2011-04-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-prase-tree.c (show_code_node):  Set the current
        namespace to the BLOCK before displaying it; restore
        afterwards.

2011-04-30  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48821
        * decl.c (gfc_match_import): Don't try to find the
        symbol if already found.

2011-04-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48746
        * trans-expr.c (fcncall_realloc_result): Set the bounds and the
        offset so that the lbounds are one.
        (gfc_trans_arrayfunc_assign): Add rank to arguments of above.

2011-04-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48462
        * trans-expr.c (arrayfunc_assign_needs_temporary): Deal with
        automatic reallocation when the lhs is a target.

        PR fortran/48746
        * trans-expr.c (fcncall_realloc_result): Make sure that the
        result dtype field is set before the function call.

2011-04-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48810
        * resolve.c (resolve_typebound_generic_call): Don't check access
        flags of the specific function.

        PR fortran/48800
        * resolve.c (resolve_formal_arglist): Don't change AS_DEFERRED
        to AS_ASSUMED_SHAPE for function results.
        (resolve_fl_var_and_proc): Print also for function results with
        AS_DEFERRED an error, if they are not a pointer or allocatable.
        (resolve_types): Make sure arguments of procedures in interface
        blocks are resolved.

2011-04-29  Michael Matz  <matz@suse.de>

        * options.c (options.c): Set warn_maybe_uninitialized.

2011-04-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48112
        * resolve.c (resolve_fl_var_and_proc): Print diagnostic of
        function results only once.
        (resolve_symbol): Always resolve function results.

        PR fortran/48279
        * expr.c (gfc_check_vardef_context): Fix handling of generic
        EXPR_FUNCTION.
        * interface.c (check_interface0): Reject internal functions
        in generic interfaces, unless -std=gnu.

2011-04-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48788
        * resolve.c (resolve_global_procedure): Error recovery -
        avoid segfault for (non)character-returning functions.

2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * decl.c (gfc_match_end):  Check that the block name starts
        with "block@".
        * parse.c (gfc_build_block_ns):  Make block names unique by
        numbering them.

2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (inserted_block):  New variable.
        (changed_statement):  Likewise.
        (create_var):  Encase statement to be operated on in a BLOCK.
        Adjust code insertion for BLOCK.
        (cfe_code):  Set inserted_block and changed_statement to NULL.

2011-04-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * module.c (mio_array_spec): Set as->cotype on reading.
        * resolve.c (resolve_allocate_expr): Fix allocating coarray
        components.

2011-04-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48405
        * frontend_passes (cfe_register_funcs): Remove workaround for DO
        loops.
        (gfc_code_walker):  Make sure the pointer to the current
        statement doen't change when other statements are inserted.

2011-04-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * array.c (gfc_match_array_spec): Fix maximal rank(+corank) check.

2011-04-20  Jim Meyering  <meyering@redhat.com>

        * expr.c (free_expr0): Remove useless if-before-free.
        * gfortranspec.c (lang_specific_pre_link): Likewise.
        * interface.c (gfc_extend_expr): Likewise.
        * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.

2011-04-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48588
        PR fortran/48692

        * module.c (fix_mio_expr): Commit created symbol.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * scanner.c (load_file): Use XCNEWVAR instead of xcalloc.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * frontend-passes.c (gfc_run_passes): Use XDELETEVEC instead of
        free.

2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * misc.c (gfc_getmem): Remove function.
        * gfortran.h: Remove gfc_getmem prototype. Replace gfc_getmem
        usage with XCNEW or XCNEWVEC.
        * expr.c (gfc_check_assign_symbol): Replace gfc_getmem usage with
        XCNEW or XCNEWVEC.
        * options.c (gfc_handle_module_path_options)
        (gfc_get_option_string): Likewise.
        * resolve.c (gfc_resolve_forall): Likewise.
        * simplify.c (simplify_transformation_to_array): Likewise.
        * target-memory.c (gfc_target_interpret_expr): Likewise.
        * trans-common.c (get_segment_info, copy_equiv_list_to_ns)
        (get_init_field): Likewise.
        * trans-expr.c (gfc_conv_statement_function): Likewise.
        * trans-io.c (nml_full_name): Likewise.
        * trans-stmt.c (gfc_trans_forall_1): Likewise.
        * scanner.c (load_file): Replace gfc_getmem usage with xcalloc.

2011-04-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48588
        * parse.c (resolve_all_program_units): Skip modules.
        (translate_all_program_units): Handle modules.
        (gfc_parse_file): Defer code generation for modules.

2011-04-19  Martin Jambor  <mjambor@suse.cz>

        * trans-decl.c (gfc_generate_function_code): Call cgraph_create_node
        instead of cgraph_get_create_node.

2011-04-18  Jim Meyering  <meyering@redhat.com>

        remove now-unused definition of gfc_free
        * misc.c (gfc_free): Remove function.
        * gfortran.h (gfc_free): Remove its prototype.

2011-04-18  Jim Meyering  <meyering@redhat.com>

        convert each use of gfc_free (p) to free (p)
        Do that by running this command:
          perl -pi -e    's/\bgfc_free ?\(/free (/' \
            $(git grep -El '\bgfc_free ?\(')
        which also corrects the few uses that lacked a space between
        the function name and the open parenthesis.
        Manually undo the change to the function definition itself
        and its prototype.  They'll be removed next.
        * array.c (gfc_free_array_spec, gfc_set_array_spec): s/gfc_free/free/
        * constructor.c (node_free): Likewise.
        * cpp.c (dump_queued_macros): Likewise.
        * data.c (gfc_assign_data_value): Likewise.
        * decl.c (free_variable, free_value, gfc_free_data): Likewise.
        (gfc_free_data_all, match_old_style_init): Likewise.
        (gfc_set_constant_character_len, gfc_free_enum_history, NUM_DECL):
        Likewise.
        (gfc_match_modproc): Likewise.
        * dependency.c (check_section_vs_section): Likewise.
        * error.c (gfc_pop_error, gfc_free_error): Likewise.
        * expr.c (free_expr0, gfc_free_expr, gfc_free_actual_arglist): Likewise.
        (gfc_free_ref_list, gfc_replace_expr, gfc_copy_ref): Likewise.
        (find_substring_ref, gfc_simplify_expr, gfc_check_assign_symbol):
        Likewise.
        * frontend-passes.c (gfc_run_passes, cfe_expr_0): Likewise.
        (strip_function_call, optimize_comparison): Likewise.
        * interface.c (gfc_free_interface, arginfo, check_interface0): Likewise.
        (CHECK_OS_COMPARISON, gfc_extend_assign, gfc_free_formal_arglist):
        Likewise.
        * intrinsic.c (gfc_intrinsic_done_1, gfc_convert_type_warn): Likewise.
        (gfc_convert_chartype): Likewise.
        * io.c (gfc_free_open, compare_to_allowed_values, gfc_free_close):
        Likewise.
        (gfc_free_filepos, gfc_free_dt, gfc_free_inquire): Likewise.
        * match.c (gfc_free_iterator, gfc_match_associate): Likewise.
        (gfc_free_alloc_list, gfc_free_namelist, gfc_free_equiv_until):
        Likewise.
        (free_case, gfc_free_forall_iterator): Likewise.
        * misc.c: Likewise.
        * module.c (free_pi_tree, resolve_fixups, free_rename): Likewise.
        (free_true_name, peek_atom, mio_allocated_wide_string): Likewise.
        (mio_pool_string, mio_internal_string, mio_gmp_integer): Likewise.
        (mio_gmp_real, mio_expr, mio_typebound_proc): Likewise.
        (mio_full_typebound_tree, skip_list, load_equiv): Likewise.
        (free_written_common, gfc_use_module, gfc_free_use_stmts): Likewise.
        * openmp.c (gfc_free_omp_clauses): Likewise.
        * options.c (gfc_post_options): Likewise.
        * parse.c (select_type_pop, parse_omp_structured_block): Likewise.
        * primary.c (gfc_free_structure_ctor_component): Likewise.
        * resolve.c (resolve_structure_cons, check_host_association): Likewise.
        (gfc_resolve_forall, resolve_equivalence): Likewise.
        * scanner.c (gfc_scanner_done_1, gfc_release_include_path): Likewise.
        (gfc_define_undef_line, preprocessor_line, include_line): Likewise.
        (load_file, gfc_read_orig_filename): Likewise.
        * simplify.c (simplify_transformation_to_array): Likewise.
        (gfc_simplify_ibits, simplify_shift, gfc_simplify_ishftc, STRING):
        Likewise.
        (gfc_simplify_compiler_options): Likewise.
        * st.c (gfc_free_statement, gfc_free_statements): Likewise.
        (gfc_free_association_list): Likewise.
        * symbol.c (free_components, gfc_free_st_label, free_st_labels):
        Likewise.
        (gfc_delete_symtree, gfc_free_symbol, gfc_undo_symbols): Likewise.
        (free_old_symbol, gfc_commit_symbols, free_tb_tree): Likewise.
        (free_common_tree, free_uop_tree, free_sym_tree): Likewise.
        (gfc_free_dt_list, gfc_free_equiv_infos, gfc_free_equiv_lists):
        Likewise.
        (gfc_free_finalizer, gfc_free_charlen, free_entry_list): Likewise.
        (gfc_free_namespace): Likewise.
        * trans-array.c (gfc_free_ss, gfc_trans_array_bound_check): Likewise.
        (gfc_conv_array_ref, gfc_conv_ss_startstride): Likewise.
        (gfc_trans_dummy_array_bias, gfc_conv_array_parameter): Likewise.
        * trans-common.c (get_init_field, create_common): Likewise.
        * trans-const.c (gfc_build_wide_string_const): Likewise.
        (gfc_conv_string_init): Likewise.
        * trans-decl.c (gfc_generate_function_code): Likewise.
        * trans-expr.c (gfc_conv_substring, gfc_free_interface_mapping):
        Likewise.
        (SCALAR_POINTER, gfc_conv_statement_function): Likewise.
        (gfc_trans_subarray_assign): Likewise.
        * trans-intrinsic.c (conv_generic_with_optional_char_arg): Likewise.
        * trans-io.c (gfc_trans_io_runtime_check, set_string): Likewise.
        (transfer_namelist_element, transfer_array_component): Likewise.
        * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
        * trans-stmt.c (cleanup_forall_symtrees, gfc_trans_forall_1): Likewise.
        * trans.c (trans_runtime_error_vararg, gfc_restore_backend_locus):
        Likewise.

2011-04-15  Jim Meyering  <meyering@redhat.com>

        gfortran: remove cpp definition of free, ...
        in preparation for the s/gfc_free/free/ transformation.
        * gfortran.h (free): Remove macro definition that would otherwise
        prevent direct use of the function.

2011-04-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * array.c (gfc_match_array_ref): Check for too many codimensions.
        * check.c (gfc_check_image_index): Check number of elements
        in SUB argument.
        * simplify.c (gfc_simplify_image_index): Remove unreachable checks.

2011-04-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * iresolve.c (gfc_resolve_image_index): Set ts.type.
        * simplify.c (gfc_simplify_image_index): Don't abort if the bounds
        are not known at compile time and handle -fcoarray=lib.
        * trans-intrinsics.c (gfc_conv_intrinsic_function): Handle
        IMAGE_INDEX.
        (conv_intrinsic_cobound): Fix comment typo.
        (trans_this_image): New function.
        * trans-array.c (gfc_unlikely): Move to trans.c.
        * trans.c (gfc_unlikely): Function moved from trans-array.c.
        (gfc_trans_runtime_check): Use it.
        * trans-io.c (gfc_trans_io_runtime_check): Ditto.
        * trans.h (gfc_unlikely): Add prototype.

2011-04-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48462
        * trans-expr.c (fcncall_realloc_result): Renamed version of
        realloc_lhs_bounds_for_intrinsic_call that does not touch the
        descriptor bounds anymore but makes a temporary descriptor to
        hold the result.
        (gfc_trans_arrayfunc_assign): Modify the reference to above
        renamed function.

2011-05-17  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48624
        * trans-decl.c (gfc_get_extern_function_decl): Fix decl
        for external procedures with proc arguments.

2011-04-15  Michael Matz  <matz@suse.de>

        * trans-array.c (toplevel): Include gimple.h.
        (gfc_trans_allocate_array_storage): Check flag_stack_arrays,
        properly expand variable length arrays.
        (gfc_trans_auto_array_allocation): If flag_stack_arrays create
        variable length decls and associate them with their scope.
        * gfortran.h (gfc_option_t): Add flag_stack_arrays member.
        * options.c (gfc_init_options): Handle -fstack_arrays option.
        * lang.opt (fstack-arrays): Add option.
        * invoke.texi (Code Gen Options): Document it.
        * Make-lang.in (trans-array.o): Depend on GIMPLE_H.

2011-04-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (conv_intrinsic_cobound): Remove unused
        code which is also causing an ICE.

2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>

        * f95-lang.c (poplevel): Use BLOCK_CHAIN and block_chainon.

2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>

        * f95-lang.c (union lang_tree_node): Check for TS_COMMON before
        calling TREE_CHAIN.

2011-04-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/48360
        PR fortran/48456
        * trans-array.c (get_std_lbound): For derived type variables
        return array valued component lbound.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * trans-decl.c (gfc_generate_function_code): Call
        cgraph_get_create_node instead of cgraph_node.

2011-04-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * simplify.c (simplify_bound_dim): Exit for
        ucobound's last dimension unless -fcoarray=single.
        * trans-array (gfc_conv_descriptor_size_1): Renamed from
        gfc_conv_descriptor_size, made static, has now from_dim and
        to_dim arguments.
        (gfc_conv_descriptor_size): Call gfc_conv_descriptor_size.
        (gfc_conv_descriptor_cosize): New function.
        * trans-array.h (gfc_conv_descriptor_cosize): New prototype.
        * trans-intrinsic.c (conv_intrinsic_cobound): Add input_location
        and handle last codim of ucobound for when -fcoarray is not "single".

2011-04-08  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48448
        * gfortran.h (gfc_option_t):  Add warn_function_elimination and
        flag_frontend_optimize.
        * lang.opt (Wfunction-elimination):  Add.
        (ffrontend-optimize):  Add.
        * invoke.texi:  Add documentation for -Wfunction-elimination
        and -ffrontend-optimize.  Add -faggressive-function-elimination
        to list of code generation options.
        * frontend-passes.c (gfc_run_passes):  Run optimizations if
        flag_frontend_optimize is set.
        (warn_function_elimination):  New function.
        (cfe_expr_0):  Call it if requested to do so.
        * options.c (gfc_init_options):  Initiate warn_function_elimination
        and flag_frontend_optimize.
        (gfc_post_options):  Set flag_frontend_optimize if not specified
        by user, depending on the optimization level.
        (gfc_handle_option):  Handle -Wfunction-elimination and
        -ffrontend-optimize.

2011-04-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-intrinsic.c (gfc_conv_intrinsic_function): Fix
        call for this_image.

2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>

        * trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use
        build_function_type_list instead of build_function_type.  Correct
        argument order for func_frexp and func_scalbn.

2011-04-05  Duncan Sands  <baldrick@free.fr>

        * f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.

2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes: (optimize_lexical_comparison): New function.
        (optimize_expr): Call it.
        (optimize_comparison): Also handle lexical comparison functions.
        Return false instad of -2 for unequal comparison.

2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48412
        * frontend-passes (cfe_expr_0):  Reverse the order of going
        through the loops.

2011-04-04  Tobias Burnus  <burnus@net-b.de>
            Mikael Morin  <mikael.morin@sfr.fr>

        PR fortran/18918
        * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
        * expr.c (gfc_is_coindexed): Ditto.
        * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
        * interface.c (compare_parameter): Use gfc_expr_attr and
        gfc_is_coindexed.
        * resolve.c (check_dimension, compare_spec_to_ref,
        resolve_allocate_expr, check_data_variable): Update for
        DIMEN_THIS_IMAGE.
        * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
        gfc_simplify_ucobound): Allow non-constant bounds.
        * trans-array.c (gfc_set_loop_bounds_from_array_spec,
        gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
        gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
        gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
        gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
        gfc_conv_ss_startstride, gfc_conv_loop_setup,
        gfc_trans_array_bounds, gfc_conv_expr_descriptor,
        gfc_walk_variable_expr): Handle codimen.
        * trans-decl.c (gfc_build_qualified_array): Save cobounds.
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
        (conv_intrinsic_cobound): New function.
        (gfc_conv_intrinsic_function): Call it.
        (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
        ucobound, lcobound, this_image.
        * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
        (gfc_get_dtype): Honour corank.
        (gfc_get_nodesc_array_type): Save corank and codimensions.
        (gfc_get_array_type_bounds): Save cobound.
        * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
        (gfc_array_kind): Add corank item.
        (GFC_TYPE_ARRAY_CORANK): New macro.

2011-04-03  Kai Tietz  <ktietz@redhat.com>

        PR middle-end/48422
        * Make-lang.in (f95-lang.o): Add some missing dependencies.

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/48352
        * frontend-passes (cfe_register_funcs):  Don't
        register functions if they appear as iterators in DO loops.

2011-03-30  Michael Matz  <matz@suse.de>

        PR fortran/47516
        * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
        don't use local variable.
        (gfc_trans_arrayfunc_assign): Adjust caller.

2011-03-29  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48095
        * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
        * module.c (MOD_VERSION): Bump.
        (mio_typespec): Read/write 'interface' field.
        * primary.c (match_string_constant,match_logical_constant): Remove
        unneeded code.
        (match_complex_constant): Make sure to clear the typespec.

2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * frontend-passes.c (create_var):  Warn about creating an
        array temporary if requested.

2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/47065
        * frontend-passes.c (optimize_trim): Also follow references, except
        when they are substring references or array references.

2011-03-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
        GFC_ISYM_NUM_IMAGES.
        (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
        * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
        rename.
        * invoke.texi (-fcoarray=): Document "lib" argument.
        * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
        * libgfortran.h (libgfortran_stat_codes): Add comments.
        * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
        * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
        Handle GFC_FCOARRAY_LIB.
        * trans.h (gfc_init_coarray_decl): New prototype.
        (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
        gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
        gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
        gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
        gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
        New global variables.
        * trans-decl.c: Declare several CAF functions (cf. above).
        (gfc_build_builtin_function_decls): Initialize those.
        (gfc_init_coarray_decl): New function.
        (create_main_function): Call CAF init/finalize functions.
        * trans-intrinsic.c (trans_this_image, trans_num_images): New.
        (gfc_conv_intrinsic_function): Call those.
        * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
        Add code for GFC_FCOARRAY_LIB.

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48291
        * class.c (get_unique_hashed_string): Adjust maximum allowable length
        for unique type string.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * scanner.c (preprocessor_line): Use filename_cmp
        instead of strcmp.

2011-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48174
        PR fortran/45304
        * trans-types.c (gfc_get_function_type): Don't use varargs if the
        procedure is known to have no arguments.

2011-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/22572
        * gfortran.h (gfc_option_t): Add
        flag_aggressive_function_elimination.
        (gfc_dep_compare_functions):  Add prototype.
        * lang.opt: Add faggressive-function-elimination.
        * invoke.texi: Document -faggressive-function-elimination.
        * frontend_passes (expr_array):  New static variable.
        (expr_size):  Likewise.
        (expr_count):  Likewise.
        (current_code):  Likewise.
        (current_ns):  Likewise.
        (gfc_run_passes):  Allocate and free space for expressions.
        (cfe_register_funcs):  New function.
        (create_var):  New function.
        (cfc_expr_0):  New function.
        (cfe_code):  New function.
        (optimize_namespace):  Invoke gfc_code_walker with cfe_code
        and cfe_expr_0.
        * dependency.c (gfc_dep_compare_functions):  New function.
        (gfc_dep_compare_expr):  Use it.
        * options.c (gfc_init_options):  Handle
        flag_aggressive_function_elimination.
        (gfc_handle_option):  Likewise.

2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * arith.c (arith_power): Plug memory leak.

2011-03-12  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/48059
        * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
        for polymorphic arguments.

2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/48054
        * intrinsic.texi: Clarify doc of logarithm functions.

2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/47552
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
        the string length variable.

2011-03-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/47768
        * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
        (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.

2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
            Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/47850
        * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
        the expression has an iterator.  Otherwise, iterate through the
        array, checking for constant expressions for each element.