extern tree pushdecl_top_level (tree);
extern tree pushdecl (tree);
extern tree build_modify_expr (tree, enum tree_code, tree);
-extern tree build_indirect_ref (tree, const char *);
+extern tree build_indirect_ref (tree, const char *, location_t);
extern int c_expand_decl (tree);
extern int flag_hosted;
-/* Warn if main is suspicious. */
-
-extern int warn_main;
-
-
/* ObjC language option variables. */
extern void start_fname_decls (void);
extern void finish_fname_decls (void);
extern const char *fname_as_string (int);
-extern tree fname_decl (unsigned, tree);
+extern tree fname_decl (location_t, unsigned, tree);
extern void check_function_arguments (tree, int, tree *, tree);
extern void check_function_arguments_recurse (void (*)
extern tree c_common_signed_or_unsigned_type (int, tree);
extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int);
extern bool decl_with_nonnull_addr_p (const_tree);
-extern tree c_common_truthvalue_conversion (tree);
+extern tree c_common_truthvalue_conversion (location_t, tree);
extern void c_apply_type_quals_to_decl (int, tree);
extern tree c_sizeof_or_alignof_type (tree, bool, int);
extern tree c_alignof_expr (tree);
/* Print an error message for invalid operands to arith operation CODE.
NOP_EXPR is used as a special case (see truthvalue_conversion). */
-extern void binary_op_error (enum tree_code, tree, tree);
+extern void binary_op_error (location_t, enum tree_code, tree, tree);
extern tree fix_string_type (tree);
struct varray_head_tag;
extern void constant_expression_warning (tree);
#define c_sizeof(T) c_sizeof_or_alignof_type (T, true, 1)
#define c_alignof(T) c_sizeof_or_alignof_type (T, false, 1)
+/* Subroutine of build_binary_op, used for certain operations. */
+extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise);
+
/* Subroutine of build_binary_op, used for comparison operations.
See if the operands have both been converted from subword integer types
and, if so, perhaps change them both back to their original type. */
#define COMPOUND_LITERAL_EXPR_DECL(NODE) \
DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_STMT (NODE))
-extern int anon_aggr_type_p (const_tree);
-
-/* For a VAR_DECL that is an anonymous union, these are the various
- sub-variables that make up the anonymous union. */
-#define DECL_ANON_UNION_ELEMS(NODE) DECL_ARGUMENTS ((NODE))
-
/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */
#define DECL_C_BIT_FIELD(NODE) \
(DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1)
a variant of the C language. They are used in c-common.c. */
extern tree build_unary_op (enum tree_code, tree, int);
-extern tree build_binary_op (enum tree_code, tree, tree, int);
+extern tree build_binary_op (location_t, enum tree_code, tree, tree, int);
extern tree perform_integral_promotions (tree);
/* These functions must be defined by each front-end which implements
extern tree resolve_overloaded_builtin (tree, tree);
-extern tree finish_label_address_expr (tree);
+extern tree finish_label_address_expr (tree, location_t);
/* Same function prototype, but the C and C++ front ends have
different implementations. Used in c-common.c. */
enum tree_code);
extern void warn_for_unused_label (tree label);
extern void warn_for_div_by_zero (tree divisor);
+extern void warn_for_sign_compare (location_t,
+ tree orig_op0, tree orig_op1,
+ tree op0, tree op1,
+ tree result_type,
+ enum tree_code resultcode);
/* In c-gimplify.c */
extern void c_genericize (tree);