2011-01-13 Tobias Burnus Mikael Morin PR fortran/45848 PR fortran/47204 * gfortran.h (gfc_code): Move union ext's case_list into the struct block. * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list by "block.". * frontend-passes.c (gfc_code_walker): Ditto. * match.c (gfc_match_goto, gfc_match_call, gfc_match_case, gfc_match_type_is, gfc_match_class_is): Ditto. * resolve.c (resolve_select, resolve_select_type): Ditto. * st.c (gfc_free_statement): Ditto. * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select, gfc_trans_character_select): Ditto. * parse.c (resolve_all_program_units): For error recovery, avoid segfault is proc_name is NULL. 2011-01-11 Paul Thomas PR fortran/47051 * trans-array.c (gfc_alloc_allocatable_for_assignment): Change to be standard compliant by testing for shape rather than size before skipping reallocation. Improve comments. 2011-01-09 Janus Weil PR fortran/47224 * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece of code. 2011-01-09 Thomas Koenig PR fortran/38536 * resolve.c (is_scalar_expr_ptr): For a substring reference, use gfc_dep_compare_expr to compare start and end expession. Add FIXME for using gfc_deb_compare_expr elsewhere. 2011-01-09 Janus Weil PR fortran/46313 * class.c (get_unique_type_string): Make type name start with upper case letter. 2011-01-08 Thomas Koenig PR fortran/46405 * invoke.texi: Mention -ffree-line-length-none and -ffixed-line-length-none for preprocessing. 2011-01-08 Paul Thomas PR fortran/46896 * trans-expr.c (gfc_conv_procedure_call): With a non-copying procedure argument (eg TRANSPOSE) use a temporary if there is any chance of aliasing due to host or use association. (arrayfunc_assign_needs_temporary): Correct logic for function results and do not use a temporary for implicitly PURE variables. Use a temporary for Cray pointees. * symbol.c (gfc_add_save): Explicit SAVE not compatible with implicit pureness of containing procedure. * decl.c (match_old_style_init, gfc_match_data): Where decl would fail in PURE procedure, set implicit_pure to zero. * gfortran.h : Add implicit_pure to structure symbol_attr and add prototype for function gfc_implicit_pure. * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context): Where decl would fail in PURE procedure, reset implicit_pure. * io.c (match_vtag, gfc_match_open, gfc_match_close, gfc_match_print, gfc_match_inquire, gfc_match_wait): The same. * match.c (gfc_match_critical, gfc_match_stopcode, sync_statement, gfc_match_allocate, gfc_match_deallocate): The same. * parse.c (decode_omp_directive): The same. (parse_contained): If not PURE, set implicit pure attribute. * resolve.c (resolve_formal_arglist, resolve_structure_cons, resolve_function, resolve_ordinary_assign) : The same. (gfc_implicit_pure): New function. * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE to ab_attribute enum and use it in this function. 2011-01-08 Thomas Koenig PR fortran/45777 * symbol.c (gfc_symbols_could_alias): Strip gfc_ prefix, make static and move in front of its only caller, to ... * trans-array.c (symbols_could_alias): ... here. Pass information about pointer and target status as arguments. Allocatable arrays don't alias anything unless they have the POINTER attribute. (gfc_could_be_alias): Keep track of pointer and target status when following references. Also check if typespecs of components match those of other components or symbols. 2011-01-07 Tobias Burnus PR fortran/41580 * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab. * intrinsic.c (add_functions): Use simplify functions for EXTENDS_TYPE_OF and SAME_TYPE_AS. * intrinsic.h (gfc_simplify_extends_type_of, gfc_simplify_same_type_as): New prototypes. * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of, gfc_simplify_same_type_as): New functions. 2011-01-07 Janus Weil PR fortran/47189 PR fortran/47194 * gfortran.h (gfc_lval_expr_from_sym): Moved prototype. * class.c (gfc_class_null_initializer): Initialize _vptr to declared type. * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c. * resolve.c (resolve_deallocate_expr): _data component will be added at translation stage. * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c. * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type. 2011-01-06 Daniel Franke PR fortran/33117 PR fortran/46478 * parse.c (parse_interface): Remove check for procedure types. * interface.c (check_interface0): Verify that procedures are either all SUBROUTINEs or all FUNCTIONs. 2011-01-05 Janus Weil PR fortran/47180 * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure 'vtab' is initialized). 2011-01-05 Janus Weil PR fortran/47180 * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer assignment, set the _vptr component to the declared type. 2011-01-05 Thomas Koenig PR fortran/46017 * resolve.c (resolve_allocate_deallocate): Follow references to check for duplicate occurence of allocation/deallocation objects. 2011-01-05 Janus Weil PR fortran/47024 * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component of polymorphic allocatables according to their declared type. 2011-01-04 Janus Weil PR fortran/46448 * class.c (gfc_find_derived_vtab): Set the module field for the copying routine to make sure it receives module name mangling. 2011-01-03 Jakub Jelinek * gfortranspec.c (lang_specific_driver): Update copyright notice dates. 2011-01-03 Janus Weil * intrinsic.texi (LEADZ): Fix example. 2011-01-02 Janus Weil PR fortran/46408 * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_ routine. 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