gcc/gcc ChangeLog dwarf2out.c flags.h toplev.c ...

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2003-02-28 23:57:50

Modified files:
	gcc            : ChangeLog dwarf2out.c flags.h toplev.c 
	gcc/doc        : invoke.texi 

Log message:
	* flags.h: Add flag_eliminate_unused_debug_types.
	* toplev.c: Add flag_eliminate_unused_debug_types.
	(f_options): Add -feliminate-unused-debug-types.
	* dwarf2out.c (struct file_table): Add emitted member.
	(splice_child_die): Fix the parent pointer for the child being
	spliced.
	(lookup_filename): Maintain file_table.emitted array.  Don't
	output .file directive here.
	(maybe_emit_file): (new)
	(init_file_table): Set up file_table.emitted.
	(dwarf2out_source_line): Use maybe_emit_file.
	(dwarf2out_start_source_file): Use maybe_emit_file.
	(dwarf2out_init): Use maybe_emit_file.
	(prune_unused_types_walk_attribs): (new)
	(prune_unused_types_mark): (new)
	(prune_unused_types_walk): (new)
	(prune_unused_types_prune): (new)
	(prune_unused_types): (new)
	(dwarf2out_finish): Call prune_unused_types if
	flag_eliminate_unused_debug_types is set.
	* doc/invoke.texi (Option Summary): Add
	-feliminate-unused-debug-types.
	(Debugging Options): Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.16888&r2=1.16889
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/dwarf2out.c.diff?cvsroot=gcc&r1=1.401&r2=1.402
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flags.h.diff?cvsroot=gcc&r1=1.100&r2=1.101
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.723&r2=1.724
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&r1=1.249&r2=1.250