* c-common.c (truthvalue_conversion): Rename, update.
	* c-common.h (c_common_truthvalue_conversion): New.
	* c-convert.c (convert): Update.
	* c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
	* c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
	* c-typeck.c (build_binary_op, build_unary_op,
	build_conditional_expr): Update.
	* fold-const.c (constant_boolean_node, fold): Use langhook.
	* langhooks-def.h (LANGHOOK_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New hook.
	* stmt.c (expand_decl_cleanup): Use langhook.
	* tree.h (truthvalue_conversion): Remove.
ada:
	* gigi.h (truthvalue_conversion): Rename.
	* misc.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
	* trans.c (tree_transform): Update.
	* utils2.c (truthvalue_conversion): Rename, update.
	(build_binary_op, build_unary_op): Update.
cp:
	* cp-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
	* cvt.c: Update comment.
	* init.c (expand_cleanup_for_base): Update.
	* semantics.c (finish_parenthesized_expr): Update.
	* typeck.c (cp_truthvalue_conversion): Update.
f:
	* com.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
	(truthvalue_conversion): Rename.  Update.  Make static.
	(ffecom_truth_value): Update.
java:
	* expr.c (truthvalue_conversion): Rename.  Update.
	(expand_compare): Update.
	* java-tree.h (java_truthvalue_conversion): New.
	* lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.

From-SVN: r51880

        PR opt/4330
        * langhooks.h (lang_hooks.decls.warn_unused_global): New.
        * toplev.c (check_global_declarations): Use it.
        * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
        (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        (LANG_HOOKS_DECLS): Add it.
        * langhooks.c (lhd_warn_unused_global_decl): New.
        * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        * c-objc-common.c (c_warn_unused_global_decl): New.
        * c-tree.h (c_warn_unused_global_decl): Declare.
        * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.

        * cp-lang.c (cxx_warn_unused_global_decl): New.
        (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.

	* g++.dg/warn/Wunused-2.C: New.
	* gcc.dg/unused-4.c: New.

From-SVN: r51818

	* c-decl.c (grokdeclarator): Update.
	* c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
	* c-tree.h (c_mark_addressable): New.
	* c-typeck.c (default_function_array_conversion, build_unary_op,
	build_array_ref, convert_for_assignment): Update.
	(mark_addressable): Rename.
	* calls.c (try_to_integrate, expand_call): Use langhook.
	* expr.c (expand_expr): Use langhook.
	* langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New hook.
	* stmt.c (expand_asm_operands): Use langhook.
	* tree.h (mark_addressable): Remove.
ada:
	* decl.c (gnat_to_gnu_entity): Update.
	* gigi.h (mark_addressable): Rename.
	* misc.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
	* trans.c (tree_transform): Update.
	* utils.c (create_var_decl): Update.
	* util2.c (build_binary_op, build_unary_op,
	fill_vms_descriptor): Update.
	(mark_addressable): Rename, update.
cp:
	* call.c (build_addr_func): Update.
	* class.c (resolve_address_of_overloaded_function): Update.
	* cp-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
	* cp-tree.h (cxx_mark_addressable): New.
	* decl.c (register_dtor_fn, cxx_maybe_build_cleanup): Update.
	* decl2.c (build_cleanup): Update.
	* except.c (build_throw): Update.
	* init.c (resolve_offset_ref): Update.
	* pt.c (convert_nontype_argument): Update.
	* semantics.c (finish_asm_stmt, simplify_affr_init_exprs_r): Update.
	* typeck.c (decay_conversion, build_array_ref, build_unary_op,
	unary_complex_lvalue): Update.
	(mark_addressable): Rename.
f:
	* com.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
	(mark_addressable): Rename.
	(ffecom_arrayref_, ffecom_1): Update.
java:
	* java-tree.h (java_mark_addressable): New.
	* lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
	* typeck.c (mark_addressable): Rename, update.
objc:
	* objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.

From-SVN: r51705

	* c-common.c (unsigned_conversion_warning, convert_and_check,
	unsigned_type, signed_type, shorten_compare,
	c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
	(unsigned_type, signed_type, signed_or_unsigned_type): Rename.
	* c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
	New.
	* c-decl.c (grokdeclarator): Update.
	* c-format.c (check_format_types): Update.
	* c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
	* c-typeck.c (build_binary_op, convert_for_assignment): Update.
	* convert.c (convert_to_integer): Use new hooks.
	* expmed.c (make_tree): Use new hooks.
	* expr.c (store_expr): Use new hooks.
	* fold-const.c (operand_equal_for_comparison_p, build_range_check,
	all_ones_mask_p, unextend, fold): Use new hooks.
	* langhooks.h (struct lang_hooks_for_types): New hooks.
	* tree.h (signed_or_unsigned_type, signed_type,
	unsigned_type): Remove.
ada:
	* gigi.h (unsigned_type, signed_type, signed_or_unsigned_type):
	Rename.
	* misc.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
	* trans.c (tree_transform, convert_with_check): Update.
	* utils.c (unsigned_type, signed_type, signed_or_unsigned_type):
	Rename.
cp:
	* cp-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
	* decl.c (grokdeclarator): Update.
	* mangle.c (write_integer_cst): Update.
	* typeck.c (build_binary_op): Update.
f:
	* com.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
	(unsigned_type, signed_type, signed_or_unsigned_type): Rename.
java:
	* expr.c (build_java_binop): Update.
	* java-tree.h (java_signed_type, java_unsigned_type,
	java_signed_or_unsigned_type): Update.
	* lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
	* parse.y (patch_binop): Update.
	* typeck.c (signed_or_unsigned_type, unsigned_type,
	signed_type): Update.
objc:
	* objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
	LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.

From-SVN: r51684

	* c-common.c (c_unsafe_for_reeval): Rename.
	* c-common.h (c_unsafe_for_reeval): Rename.
	* c-decl.c (finish_incomplete_decl): Rename.
	(c_init_decl_processing): Don't set langhook.
	* c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
	LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
	* c-objc-common.c (c_objc_common_init): Don't set langhook.
	* c-tree.h (finish_incomplete_decl): Rename.
	* langhooks-def.h (lhd_unsafe_for_reeval): New.
	(LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_unsafe_For_reeval): New.
	* langhooks.h (struct langhooks): New hooks.
	* toplev.c (incomplete_decl_finalize_hook): Remove.
	(wrapup_global_declarations): Update.
	* tree.c (lang_unsafe_for_reeval): Remove.
	(unsafe_for_reeval): Update.
	* tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
	Remove.
ada:
	* gigi.h (finish_incomplete_decl): Rename.
	* misc.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL): Redefine.
	* utils.c (gnat_init_decl_processing): Don't set hook.
	(finish_incomplete_decl): Rename.
cp:
	* cp-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
	* lex.c (cxx_init): Don't set hook.
objc:
	* objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
	LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.

From-SVN: r51673

	* Makefile.in (convert.o, calls.o, expmed.o): Update.
	* attribs.c (handle_mode_attribute, handle_vector_size_attribute):
	Use new hooks.
	* builtin-types.def (BT_PTRMODE): Update.
	* c-common.c (type_for_size): Rename c_common_type_for_size.
	(type_for_mode): Similarly.
	(shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
	Use new hook.
	* c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
	* c-decl.c (finish_enum, build_enumerator): Use new hooks.
	* c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
	Redefine.
	* c-typeck.c (common_type, comptypes, default_conversion):
	Use new hooks.
	* calls.c: Include langhooks.h.
	(emit_library_call_value_1): Use new hooks.  Avoid redundant
	calls.
	* convert.c: Include langhooks.h
	(convert_to_pointer, convert_to_integer): Use new hooks.
	* except.c (init_eh): Similarly.
	* expmed.c: Include langhooks.h.
	(expand_mult_add): Use new hooks.
	* expr.c (store_expr, store_constructor, expand_expr, do_jump,
	try_casesi): Similarly.
	* fold-const.c (optimize_bit_field_compare, make_range,
	decode_field_reference, fold_truthop, fold): Similarly.
	* function.c (assign_stack_local_1, assign_stack_temp_for_type,
	put_var_into_stack): Similarly.
	* langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
	LANG_HOOKS_TYPE_FOR_SIZE): New.
	(LANG_HOOKS_TYPES_INITIALIZER): Update.
	* langhooks.h (lang_hooks_for_types): New hooks.
	* stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
	* tree.c (get_unwidened, get_narrower): Similarly.
	* tree.h (type_for_mode, type_for_size): Remove.
	* varasm.c (force_const_mem): Use new hooks.
ada:
	* gigi.h (type_for_size, type_for_mode): Rename.
	* misc.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
	Redefine.
	* trans.c (tree_transform): Update.
	* utils.c (gnat_init_decl_processing, init_gigi_decls,
	builtin_function, float_type_for_size, signed_or_unsigned_type,
	build_vms_descriptor, unchecked_convert): Update.
	(type_for_mode, type_for_size): Rename.
	* utils2.c (nonbinary_modular_operation): Update.
cp:
	* cp-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
	Redefine.
	* cvt.c (cp_convert_to_pointer, type_promotes_to): Use new hooks.
	* decl.c (finish_enum): Similarly.
	* error.c (dump_type): Similarly.
	* lex.c (cxx_init): Similarly.
	* mangle.c (write_builtin_type): Similarly.
	* typeck.c (comptypes): Similarly.
f:
	* com.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
	Redefine.
	(type_for_mode, type_for_size): Rename.
	(signed_or_unsigned_type, signed_type, truthvalue_conversion,
	unsigned_type):	Use new hooks.
java:
	* Make-lang.in (builtins.o): Update.
	* boehm.c (get_boehm_type_descriptor): Update.
	* builtins.c: Include langhooks.h.
	* decl.c (java_init_decl_processing): Update.
	* java-tree.h (java_type_for_mode, java_type_for_size): New.
	* lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
	Redefine.
	* typeck.c (type_for_mode, type_for_size): Update.
objc:
	* objc-act.c (handle_impent): Update.
	* objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
	Redefine.

From-SVN: r51571

        * c-decl.c (finish_function): New arg can_defer_p.  Pass it
        on to c_expand_body.
        * c-tree.h (finish_function): Update decl.
        * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.

From-SVN: r51518

	* Makefile.in (attribs.o): Update.
	* attribs.c: Include langhooks.h.
	(decl_attributes): Use langhook.
	* c-decl.c (insert_default_attributes): Rename.
	* c-tree.h (c_insert_default_attributes): New.
	* langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New hook.
	* tree.h (insert_default_attributes): Remove.
ada:
	* misc.c (insert_default_attributes): Remove.
cp:
	* cp-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.
	* cp-tree.h (cxx_insert_default_attributes): New.
	* decl.c (insert_default_attributes): Rename.
objc:
	* objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.

From-SVN: r51488

	* c-common.c (c_expand_expr): Fix prototype.
	* c-common.h (c_expand_expr): Always declare, update.
	* c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
	* c-objc-common.c (c_objc_common_init): No global hook.
	* expr.c (expand_expr): Use langhook.
	* expr.h (enum expand_modifier): Conditionally declare.
	* langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_expand_expr): New.
	* langhooks.h (struct lang_hooks): New hook.
	* toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
	(lang_independent_init): Don't default hook.
ada:
	* misc.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
	(gnat_init): Don't set hook.
	(gnat_expand_expr): Fix prototype.
cp:
	* cp-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
	* cp-tree.h (init_cplus_expand): Remove.
	(cxx_expand_expr): New.
	* expr.c (cplus_expand_expr): Rename cxx_expand_expr,
	fix prototype.
	(init_cplus_expand): Remove.
	* lex.c (cxx_init): Don't call init_cplus_expand.
java:
	* expr.c (java_lang_expand_expr): Rename java_expand_expr,
	fix prototype.
	* java-tree.h (java_lang_expand_expr): Similarly.
	* lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
	(java_init): Don't set hook.
objc:
	* objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.

From-SVN: r51462

	* Makefile.in (ggc-common.o): Update.
	* c-decl.c (lang_mark_tree): Rename c_mark_tree.
	* c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
	* c-tree.h (c_mark_tree): New.
	* ggc-common.c: Include langhooks.h.
	(gcc_mark_trees): Use new langhook.
	* ggc-callbacks.c: Delete file.
	* ggc.h (lang_mark_tree): Remove.
	* langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New hook.
ada:
	* misc.c (LANG_HOOKS_MARK_TREE): Redefine.
	(lang_mark_tree): Make static, rename.
cp:
	* cp-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
	* cp-tree.h (cxx_mark_tree): New.
	* decl.c (lang_mark_tree): Rename cxx_mark_tree.
f:
	* com.c (LANG_HOOKS_MARK_TREE): Redefine.
	(lang_mark_tree): Rename ffe_mark_tree, make static.
java:
	* decl.c (lang_mark_tree): Rename java_mark_tree.
	* java-tree.h (java_mark_tree): New.
	* java-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.

From-SVN: r51369

	* Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
	cpp0, install-common): Update.
	* c-common.c (flag_preprocess_only): New.
	(c_common_init): Preprocess for -E.
	* c-common.h (flag_preprocess_only): New.
	* c-decl.c (c_decode_option): Handle -E, and -std=c++98.
	* c-objc-common.c (c_init_decl_processing): Exit quickly
	for NULL return from c_common_init.
	* cpplib.h (cpp_preprocess_file): New.
	* cppmain.c (main, general_init, pfile, progname): Remove.
	(do_preprocessing): Rename cpp_preprocess_file, don't call
	cpp_finish.  Don't close stdout here.
	(setup_callbacks): Update prototype.
	* gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
	Update.
	* tradcpp.c (main): Ignore -quiet.
cp:
	* decl2.c (cxx_decode_option): Handle -E.
	* lang-specs.h (default_compilers): Preprocess with cc1plus.
	* lex.c (cxx_init): Exit quickly if c_common_init returns NULL.
objc:
	* lang-specs.h (default_compilers): Preprocess with cc1obj.

Co-Authored-By: Aldy Hernandez <aldyh@redhat.com>

From-SVN: r51256

	* Makefile.in: Update.
	* c-common.c: Include langhooks.h.
	(inline_forbidden_p): Use new hook.
	* diagnostic.c: Include langhooks.h.
	(format_with_decl, announce_function,
	default_print_error_function): Use new hook.
	* dwarf2out.c (dwarf2_name): Use new hook.
	* function.c: Include langhooks.h.
	(init_function_start): Use new hook.
	* langhooks-def.h (lhd_decl_printable_name): New.
	(LANGHOOKS_DECL_PRINTABLE_NAME): New.
	(LANGHOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_decl_printable_name): New.
	* langhooks.h (struct lang_hooks): New hook.
	* toplev.c (decl_name, decl_printable_name): Remove.
	(open_dump_file): Use new hook.
	(process_options): Remove old hook.
	* tree.h (decl_printable_name): Remove.
ada:
	* misc.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
	(gnat_init): Remove old hook.
cp:
	* cp-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
	* cp-tree.h (lang_printable_name): Rename.
	* error.c (lang_decl_name): Use new hook.
	* lex.c (cxx_init): Remove old hook.
	* pt.c (tsubst_expr): Use new hook.
	* tree.c (lang_printable_name): Rename.
f:
	* com.c (lang_printable_name): Rename.
	(LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
	(ffe_init): Don't use old hook.
java:
	* decl.c (start_java_method): Use new hook.
	* lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
	(java_init): Remove old hook.
objc:
	* objc-act.c (objc_init): Remove old hook.
	(objc_printable_name): Export.
	* objc-act.h (objc_printable_name): New.
	* objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.

From-SVN: r51066

	PR c/5656
	* langhooks.h (struct lang_hooks_for_tree_inlining): Add
	convert_parm_for_inlining.
	* c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
	Define.
	* langhooks-def.h: Likewise.
	* objc/objc-lang.c: Likewise.
	* langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
	function.
	* tree-inline.c (initialize_inlined_parameters):
	Call convert_parm_for_inlining lang hook if needed.
	* c-typeck.c (c_convert_parm_for_inlining): New function.
	* c-tree.h (c_convert_parm_for_inlining): Add prototype.

	* gcc.c-torture/compile/20020318-1.c: New test.

From-SVN: r51025

	* c-common.h (yyparse, c_common_parse_file): New.
	* c-lang.c: Include c-common.h.
	(LANG_HOOKS_PARSE_FILE): Redefine.
	* c-lex.c: Include c-common.h.
	(yyparse): Rename c_common_parse_file.  Call yyparse.
	* c-parse.in (yyparse): Remove macro.
	* c-tree.h (yyparse_1): Remove.
	* langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hoooks): New hook parse_file.
	* toplev.c (compile_file): Use parse_file hook.
	* tree.h (yyparse): Remove.
ada:
	* misc.c (LANG_HOOKS_PARSE_FILE): Redefine.
	(yyparse): Rename gnat_parse_file.
cp:
	* cp-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.
	* parse.y (yyparse): Remove macro.
f:
	* com.c (LANG_HOOKS_PARSE_FILE): Redefine.
	* com.h (ffe_parse_file): New.
	* parse.c (NAME_OF_STDIN): Remove.
	(yyparse): Rename ffe_parse_file.
java:
	* java-tree.h (java_parse_file): New.
	* jcf-parse.c (yyparse): Rename java_parse_file.
	* lang.c (LANG_HOOKS_PARSE_FILE): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.

From-SVN: r50926

	* c-common.c (c_tree_code_type, c_tree_code_length,
	c_tree_code_name, add_c_tree_codes): Delete.
	* c-common.h (add_c_tree_codes): Delete.
	* c-lang.c (tree_code_type, tree_code_length, tree_code_name):
	Define.
	* c-objc-common.c (c_objc_common_init): Don't call
	add_c_tree_codes, instead set lang_unsafe_for_reeval.
	* objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
	objc_tree_code_name, add_objc_tree_codes): Delete.
	(objc_init): Don't call add_objc_tree_codes.
	* objc/objc-lang.c (tree_code_type, tree_code_length,
	tree_code_name): Define.
	* toplev.c (lang_independent_init): Don't set
	tree_code_length[IDENTIFIER_NODE].
	* tree.c (tree_code_type, tree_code_length, tree_code_name):
	Delete definitions, moved to language front-ends.
	* tree.def (IDENTIFIER_NODE): Hardwire the length.
	* tree.h (tree_code_type, tree_code_length, tree_code_name):
	Const-ify.
	(tree_code_length): Change type to unsigned char.

ada:
	* misc.c (gnat_tree_code_type, gnat_tree_code_length,
	gnat_tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(gnat_init): Don't try to copy into the various tree_code
	arrays.

ch:
	* decl.c (chill_tree_code_type, chill_tree_code_length,
	chill_tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(init_decl_processing): Don't try to copy into the various
	tree_code arrays.

cp:
	* cp-lang.c (tree_code_type, tree_code_length, tree_code_name):
	Define.
	* decl.c (duplicate_decls): Use TREE_CODE_LENGTH, not
	tree_code_length.
	* lex.c (cplus_tree_code_type, cplus_tree_code_length,
	cplus_tree_code_name): Delete.
	(cxx_init): Don't call add_c_tree_codes, instead set
	lang_unsafe_for_reeval.  Don't try to copy into the various
	tree_code arrays.

f:
	* com.c (tree_code_type, tree_code_length, tree_code_name):
	Define.

java:
	* lang.c (java_tree_code_type, java_tree_code_length,
	tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(java_init): Don't try to copy into the various tree_code
	arrays.

From-SVN: r50705

	* Makefile.in (debug.o): Depend on debug.h.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
	* debug.c (do_nothing_debug_hooks): Likewise.
	* debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
	sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
	dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
	* dwarf2out.c (dwarf2_debug_hooks): Likewise.
	* dwarfout.c (dwarf_debug_hooks): Likewise.
	* integrate.c (output_inline_function): Likewise.
	* objc/objc-act.c (synth_module_prologue): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* toplev.c (debug_hooks): Likewise.
	* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.

From-SVN: r50635

	* Makefile.in (integrate.o): Update.
	* c-decl.c (copy_lang_decl): Rename.
	* c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
	* integrate.c: Include langhooks.h.
	(copy_decl_for_inlining): Update to use langhook.
	* langhooks-def.h (lhd_do_nothing_t,
	LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_do_nothing_t): New.
	* langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
	* tree.h (copy_lang_decl): Remove.
ada:
	* misc.c (copy_lang_decl): Remove.
cp:
	* class.c (build_clone): Update.
	* cp-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
	* cp-tree.h (cxx_dup_lang_specific_decl): New.
	* lex.c (copy_lang_decl): Rename cxx_dup_lang_specific_decl.
	(copy_decl): Update.
	* method.c (make_thunk): Update.
f:
	* com.c (copy_lang_decl): Delete.
java:
	* decl.c (copy_lang_decl): Rename java_dup_lang_specific_decl.
	* java-tree.h (java_dup_lang_specific_decl): New.
	* lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.

From-SVN: r50122

	* c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
	c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
	cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
	builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
	gcc.c, toplev.c: Delete code implementing -traditional mode.

	* ada/misc.c, ch/ch-tree.h, ch/decl.c, cp/decl2.c, f/com.c,
	f/lex.c, f/top.c, java/builtins.c, java/decl.c: Delete
	traditional-mode-related code copied from the C front end
	but not used, or used only to permit the compiler to link.

	* doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
	doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
	Document removal of -traditional mode for compilation, and
	remove documentation only relevant to that mode.

	* config/nextstep.h, config/ptx4.h, config/svr4.h,
	config/convex/convex.h, config/d30v/d30v.h,
	config/i386/dgux.h, config/i386/osf1elf.h,
	config/i386/osfelf.h, config/i386/osfrose.h,
	config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
	config/m68k/hp310.h, config/m88k/dgux.h,
	config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
	config/m88k/m88k.h, config/m88k/openbsd.h,
	config/mips/abi64.h, config/mips/osfrose.h,
	config/mips/svr4-5.h, config/mips/svr4-t.h,
	config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
	config/stormy16/stormy16.h: Remove all references to
	-traditional from target specs.  Delete all mention of the
	no-longer-necessary TRADITIONAL_RETURN_FLOAT macro.  Also
	delete a couple of commented-out definitions of
	DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
	to -traditional.

	* system.h: Poison TRADITIONAL_RETURN_FLOAT.
	* doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.

	* testsuite/gcc.c-torture/execute/920730-1t.c,
	testsuite/gcc.c-torture/execute/920730-1t.x,
	testsuite/gcc.dg/ext-glob.c: Delete test cases, only relevant
	to -traditional.

From-SVN: r50110

2002-02-18  David Billinghurst <David.Billinghurst@riotinto.com>

	* objc/objc-act.c (handle_impent): Remove leading '*'
	from objc_class_name.

From-SVN: r49833

	* c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
	patch.
	* gcc.dg/bitfld-1.c: Update.
	* gcc.dg/bitfld-2.c: Update.
	* gcc.c-torture/execute/bitfld-1.x: New.

From-SVN: r49420

        * Makefile.in (c-parse.c): Handle .output file.
        * objc/Make-lang.in (objc-parse.c): Likewise.
        * cp/Make-lang.in (parse.c): Handle .output file.

From-SVN: r49393

	PR c/3325
	* c-decl.c (enum_decl_context): Remove BITFIELD.
	(grokdeclarator): Take bitfield width as an input.
	Ensure bitfields are given the correct type.  Perform
	bitfield width validation with build_bitfield_integer_type
	rather than waiting for finish_struct.
	(grok_typename, grok_typename_in_parm_context, start_decl,
	push_parmdecl, grokfield, start_function): Update calls to
	grokdeclarator.
	(build_bitfield_integer_type): New function.
	(finish_struct): Move bitfield validation to grokdeclarator
	and build_bitfield_integer_type.
	* tree.c (build_nonstandard_integer_type): New function.
	* tree.h (build_nonstandard_integer_type): New prototype.
objc:
	* objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.
testsuite:
	* gcc.c-torture/compile/20000224-1.c: Update.
	* gcc.c-torture/execute/bitfld-1.c: New tests.
	* gcc.dg/bitfld-1.c, bitfld-2.c: Diagnostic tests.
	* gcc.dg/uninit-A.c: Update.

From-SVN: r49321

	PR other/1502:
	* cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
	don't ignore unrecognized -W* options.
	(cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
	* cpplib.h (cpp_handle_option): Adjust prototype.
	* c-decl.c (c_decode_options): Pass 0 as last argument to
	cpp_handle_option.

	PR c/2896:
	* gcc.c (cpp_unique_options): Split from cpp_options.
	(cpp_options): Source cpp_unique_options.
	(default_compilers): Use cpp_unique_options instead of cpp_options
	when used together with cc1_options.
	(static_specs): Add cpp_unique_options.
	* objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
	when used together with cc1_options.

	* decl2.c (cxx_decode_option): Pass 0 as last argument to
	cpp_handle_option.
	* lang-specs.h: Use cpp_unique_options instead of cpp_options
	when used together with cc1_options.

From-SVN: r49315

not used'

From-SVN: r48648

	* objc/objc-act.c (handle_impent): Use assemble_variable to emit
	__objc_class_name_*.

From-SVN: r48584

        * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
        after abusing it.

From-SVN: r48486

        * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Remove.
        (default_constant_string_class_name): New global.
        (objc_init): Set it.
        (synth_module_prologue): Use it.

From-SVN: r48366

From-SVN: r48365

	* objc/objc-act.c (build_module_descriptor): Make sure the init
	function is not deferred.
	(build_dispatch_table_initializer): Compute the method encoding if
	not already done.

From-SVN: r48356

	* configure.in (all_diff_excludes, diff_excludes): Remove.
	* configure: Regenerate.
	* Makefile.in (LANG_DIFF_EXCLUDES): Remove.
	* objc/config-lang.in (diff_excludes): Remove.

ada:
	* config-lang.in (diff_excludes): Remove.

ch:
	* config-lang.in (diff_excludes): Remove.

cp:
	* config-lang.in (diff_excludes): Remove.

f:
	* config-lang.in (diff_excludes): Remove.

java:
	* config-lang.in (diff_excludes): Remove.

From-SVN: r48189

	* Makefile.in: Update dependencies.
	* c-lang.c: Remove unnecessary includes.
	(deferred_fns, start_cdtor, finish_cdtor, defer_fn): Move to
	c-objc-common.c.
	(finish_file): Move body to c_common_finish_file.
	* c-objc-common.c: Include varray.h and ggc.h.
	(deferred_fns, start_cdtor, finish_cdtor, defer_fn,
	expand_deferred_fns, c_objc_common_finish_file): Moved from c-lang.c.
	(c_objc_common_init): Initialize deferred function array.
	* c-tree.h (c_objc_common_finish_file,
	static_ctors, static_dtors): New.
objc:
	* Make-lang.in: Update dependencies.
	* objc/objc-act.c: Don't include varray.h.
	(defer_fn, deferred_fns): Move to c-objc-common.c.
	(objc_init): Similarly for initialization of it.
	(finish_file): Move some to c-objc-common.c, use
	c_objc_common_finish_file.

From-SVN: r48134

From-SVN: r47928

        * objc/objc-act.c (build_string_class_template): New.
        (build_objc_string_object): Call it.

From-SVN: r47908

        * objc/objc-act.c (finish_message_expr): Fix misplaced parens in a
        test of class names.

        * objc/compile: New test directory.
        * objc/compile/compile.exp: New expect script.
        * objc/compile/20011211-1.m: New compile test.

From-SVN: r47886

        * objc/objc-act.c (build_constructor): Cast initializer values
        to the proper field types.

From-SVN: r47884

re PR c/4787 (Different anonymous variables declared but only one allocated when the initialization is the same)

	* c-common.def (COMPOUND_LITERAL_EXPR): New.
	* c-common.c (c_expand_expr): Handle COMPOUND_LITERAL_EXPR.
	(c_staticp): New function.
	* c-common.h (COMPOUND_LITERAL_EXPR_DECL): New.
	(c_staticp): Declare.
	* c-typeck.c (default_function_array_conversion, build_unary_op):
	Don't handle CONSTRUCTOR specially.
	(lvalue_p, mark_addressable): Handle COMPOUND_LITERAL_EXPR.
	* c-decl.c (build_compound_literal): New function.
	* c-tree.h (build_compound_literal): Declare.
	* c-parse.in (primary): Use build_compound_literal.
	* c-lang.c (LANG_HOOKS_STATICP): Define.
	* objc/objc-lang.c (LANG_HOOKS_STATICP): Likewise.
	* doc/c-tree.texi: Document COMPOUND_LITERAL_EXPR.
	* doc/extend.texi: Update documentation of compound literals.
	Fixes PR c/4787.

testsuite:
	* gcc.c-torture/execute/20000722-1.x,
	gcc.c-torture/execute/20010123-1.x: Remove.
	* gcc.c-torture/compile/init-3.c: Don't use a compound literal.
	* gcc.dg/c90-complit-1.c, gcc.dg/c99-complit-1.c,
	gcc.dg/c99-complit-2.c: New tests.

From-SVN: r47629

        * objc/Make-lang.in: Update copyright.
        (OBJC_OBJS): Add objc-lang.o.
        (objc-lang.o): New rule.
        * objc/config-lang.in: Fix file description and update
        copyright.
        * objc/objc-act.c: Do not include langhooks.h and
        langhooks-def.h
        (lang_hooks): Move (along with LANG_HOOKS...) to objc-lang.c.
        (objc_post_options): Move to objc-lang.c.
        (objc_init_options): Move to objc-lang.c.
        (objc_init): Make non-static.
        (HASHFUNCTION): Remove macro.
        (hash_func): New function.
        (hash_enter): Replace HASHFUNCTION with hash_func.
        (hash_lookup): Replace HASHFUNCTION with hash_func.
        (maybe_objc_tree_codes): New function.
        (init_objc): Move ObjC tree code initialization to
        maybe_objc_tree_codes().
        * objc/objc-act.h (GCC_OBJC_ACT_H): New include guard.
        (objc_init): New public prototype.
        (objc_decode_option): New public prototype.
        (maybe_add_objc_tree_codes): New public prototype.
        * objc/objc-lang.c: New file.
        (lang_hooks): Moved from objc-act.c.
        (objc_post_options): Moved from objc-act.c.
        (objc_init_options): Moved from objc-act.c.

From-SVN: r47575

	* cfgrtl.c (purge_all_dead_edges): Initialize variable.
	* dwarf2out.c (is_cxx): Prototype.
	* local-alloc.c (block_alloc): Avoid 'unsigned>=0 is always true'
	warning.
	* objc/objc-act.c (defer_fn): Avoid signed/unsigned warning.

From-SVN: r47528

From-SVN: r47519

	* c-decl.c (duplicate_decls, push_parm_decl): Remove leading
	capital from diagnostics.
	* c-lex.c (cb_file_change): Similarly.
	* c-parse.in : Similarly.
	* cfgrtl.c (verify_flow_info): Similarly.
	* collect2.c: Similarly.
	* cppfiles.c (find_include_file): Similarly.
	* cppinit.c (cpp_handle_option): Similarly.
	* cpplex.c (cpp_spell_token): Similarly.
	* cppmain.c (do_preprocessing): Similarly.
	* gcc.c (translate_options, process_command, do_spec1,
	main, pfatal_execute): Similarly.
	* genattr.c (main): Similarly.
	* genattrtab.c (check_attr_test, operate_exp, simplify_test_exp,
	write_test_expr, main): Similarly.
	* gencodes.c (main): Similarly.
	* genconfig.c (main): Similarly.
	* genconstants.c (main): Similarly.
	* genemit.c (main): Similarly.
	* genextract.c (main): Similarly.
	* genflags.c (main): Similarly.
	* genopinit.c (main): Similarly.
	* genoutput.c (process_template, main): Similarly.
	* genpeep.c (main): Similarly.
	* genrecog.c (main): Similarly.
	* gensupport.c (is_predicable, identify_predicable_attribute,
	alter_predicate_for_insn, init_md_reader_args, main): Similarly.
	* ggc-page.c (alloc_anon): Similarly.
	* mips-tfile.c (add_string, add_procedure, add_file, read_line,
	parse_begin, parse_bend, parse_def, parse_end, parse_file,
	parse_stabs_common, parse_stabs, write_varray, write_object,
	read_seek, copy_object, main, error): Similarly.
	* profile.c (compute_branch_probabilities): Similarly.
	* reg-stack.c (check_asm_stack_operands): Similarly.
	* reload.c (find_reloads): Similarly.
	* reload1.c (spill_failure, failed_reload): Similarly.
	* rtl-error.c (_fatal_insn_not_found): Similarly.
	* toplev.c (read_integral_parameter, crash_signal,
	decode_f_option, set_target_switch, parse_options_and_default_flags)
	: Similarly.
	* tradcif.y (parse_number, yylex): Similarly.
	* tradcpp.c (main, fancy_abort): Similarly.
	* tree.c (tree_check_failed): Similarly.
	* varray.c (varray_check_failed): Similarly.
	* xcoffout.c (xcoff_output_standard_types): Similarly.
cp:
	* call.c (build_java_interface_fn_ref): Similarly.
	* except.c (is_admissible_throw_operand): Similarly.
	* init.c (build_java_class_ref): Similarly.
	* xref.c (open_xref_file): Similarly.
objc:
	* objc-act.c (get_object_ref, lookup_and_install_protocols,
	build_objc_string_object, objc_declare_alias, build_ivar_chain,
	finish_message_expr, build_protocol_expr, is_public,
	start_class): Similarly.
testsuite:
	* objc.dg/alias.m: Update.
	* objc.dg/class-1.m: Update.
	* objc.dg/const-str-1.m: Update.
	* objc.dg/fwd-proto-1.m: Update.
	* objc.dg/id-1.m: Update.
	* objc.dg/super-class-1.m: Update.

From-SVN: r47518