* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	bitmap.h, builtin-types.def, builtins.c, builtins.def,
	c-aux-info.c, c-common.c, c-common.def, c-common.h,
	c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
	c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
	c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
	caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
	conditions.h, config.gcc, configure.frag, configure.in,
	conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
	cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
	dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
	doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
	dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
	emit-rtl.c, errors.c, errors.h, except.c, except.h,
	exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
	fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
	function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
	gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
	gencheck.c, gencodes.c, genconfig.c, genemit.c,
	genextract.c, genflags.c, gengenrtl.c, genmultilib,
	genopinit.c, genoutput.c, genpeep.c, genrecog.c,
	gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
	ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
	graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
	gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
	gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
	hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
	integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
	libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
	machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
	mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
	mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
	params.h, predict.c, predict.def, predict.h, prefix.c,
	prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
	read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
	regclass.c, regmove.c, regrename.c, regs.h, reload.c,
	reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
	rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
	sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
	sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
	ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
	stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
	tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
	tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
	unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
	unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
	xcoffout.h: replace "GNU CC" with "GCC".

From-SVN: r45105

	* Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
	(tree.o): Depend on output.h.

	* c-decl.c (pending_invalid_xref_file,
	current_function_prototype_file): Constify.
	(pushdecl): Constify a local char *.
	(define_label): Constify filename parameter.
	* c-lex.c (init_parse): Constify parameter and return value.
	* c-typeck.c (c_expand_asm_operands): Constify filename parameter.
	* c-tree.h: Update prototypes.
	* c-parse.in: Constify filename member of %union, and if_stmt_file.
	* c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
	objc/objc-parse.c: Regenerate.

	* dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
	* dwarfout.h: Update prototypes.
	* expr.c (expand_expr): Constify a local char *.
	* flags.h: Constify main_input_filename.
	* function.c (expand_function_end): Constify filename parameter.
	* genrecog.c (make_insn_sequence): Use a character array for
	c_test_pos.
	(main): Remove unused variables.
	* input.h: Constify input_filename, main_input_filename, and
	file_stack.name.  Update prototypes.
	* output.h: Declare first_global_object_name and
	weak_global_object_name here, as const char *.
	* stmt.c (expand_asm_operands): Constify filename parameter.
	* toplev.c (compile_file, push_srcloc, debug_start_source_file):
	Constify filename parameter.
	(input_filename, main_input_filename): Constify.
	* toplev.h: Update prototypes.
	* tree.c: Include output.h.  Don't declare
	first_global_object_name or weak_global_object_name.  Clean up string
	bashing in get_file_function_name_long.
	* tree.h (struct tree_decl): Constify filename member.
	(input_filename): Constify.
	Update prototypes.
	* varasm.c (first_global_object_name, weak_global_object_name):
	Constify.
	(assemble_start_function, assemble_variable): Clean up string bashing.

	* gcc.c: Constify all spec-related strings initialized,
	transitively, from string constants.  Constify all strings
	and string variables related to multilibs.
	(set_spec, read_specs): Cast argument to free to PTR.
	(used_arg): Do not modify multilib_matches.  Use strncmp plus
	length comparison to compare multilib switches.
	* genmultilib: Constify everything declared in multilib.h.

ch:
	* ch-tree.h: Update prototypes.  Remove prototypes for
	functions declared elsewhere.
	* decl.c (define_label): Constify filename parameter.
	* grant.c (globalize_decl, set_default_grant_file): Constify
	local char * variables.  Don't declare
	first_global_object_name or asm_out_file.
	* lang.c (chill_real_input_filename): Constify.
	* lex.c (init_parse): Constify parameter and return value.
	* parse.c: Don't declare input_filename.
	(ch_expand_asm_operands): Constify filename parameter.
	(parse_multi_dimension_case_action): Constify local char *.
	* satisfy.c (safe_satisfy_decl): Constify local char *.

cp:
	* cp-tree.h: Constify tree_srcloc.filename, tinst_level.file,
	and pending_inline.filename.  Update prototypes.
	* decl.c (define_label): Constify filename parameter.
	* decl2.c (warn_if_unknown_interface): Constify local char *.
	* input.c Constify input_source.filename. Don't declare
	input_filename or lineno.  Constify filename parameter to feed_input.
	* lex.c (init_parse): Constify parameter and return value.
	(cp_pragma_interface, cp_pragma_implementation): Constify
	filename argument.
	(reinit_parse_for_method, reinit_parse_for_block,
	reinit_parse_for_expr, feed_defarg, handle_cp_pragma):
	Constify local char *.
	* pt.c: Don't declare lineno or input_filename.
	(print_template_context, tsubst_friend_function, tsubst_decl,
	tsubst, instantiate_decl): Constify local char *.
	* semantics.c (expand_body): Constify local char *.
	* tree.c (build_srcloc): Constify filename parameter.
	* typeck.c (c_expand_asm_operands): Constify filename
	parameter.

f:
	* com.c (ffecom_subscript_check_): Constify array_name
	parameter. Clean up string bashing.
	(ffecom_arrayref_, ffecom_char_args_x_): Constify array_name
	parameter.
	(ffecom_do_entry_, ffecom_gen_sfuncdef_, ffecom_start_progunit_,
	ffecom_sym_transform_, ffecom_sym_transform_assign_): Constify
	local char *.
	(init_parse): Constify parameter and return value.
	* lex.c: Include dwarfout.h instead of prototyping dwarfout_*
	functions here.
	(ffelex_file_pop_, ffelex_file_push_): Constify filename parameter.
	(ffelex_hash_, ffelex_include_): Constify local char *.
	* std.c (ffestd_exec_end): Constify local char *.
	* where.c (ffewhere_file_new): Constify filename parameter.
	* where.h: Update prototypes.

java:
	* check_init.c (check_init): Constify local char *.
	* class.c (push_class): Constify local char *.
	* java_tree.h: Update prototypes.
	* jcf-io.c (open_class): Constify filename parameter and
	return value.
	(find_class): Remove redundant string copy.  Cast return from
	open_class.
	* jcf-parse.c (read_class, parse_class_file, yyparse):
	Constify local char *.
	* jcf-write.c (generate_bytecode_insns, generate_classfile):
	Constify local char *.
	* jcf.h (JCF): Constify filename and classname.
	(JCF_FINISH): Cast args to FREE to char * when appropriate.
	* lang.c (init_parse): Constify parameter and return value.
	* lex.c (java_get_line_col): Constify filename parameter.
	* parse.h: Constify parser_ctxt.filename.  Update prototypes.
	* parse.y (java_parser_context_suspend,
	issue_warning_error_from_context, safe_layout_class): Constify
	local char *.
	* parse.c: Regenerate.

From-SVN: r33804

	* input.h (push_srcloc): New function.
	(pop_srcloc): Likewise.
	* toplev.c (push_srcloc): Define it.
	(pop_srcloc): Likewise.

From-SVN: r32141

From-SVN: r24535

From-SVN: r18980

From-SVN: r9961

From-SVN: r3887

From-SVN: r1284

From-SVN: r1259

From-SVN: r14