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gcc/gcc ChangeLog c-lang.c c-objc-common.c c-t ...


CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2002-04-03 14:39:52

Modified files:
	gcc            : ChangeLog c-lang.c c-objc-common.c c-tree.h 
	                 langhooks-def.h langhooks.c langhooks.h 
	                 toplev.c 
	gcc/cp         : ChangeLog cp-lang.c 
	gcc/objc       : objc-lang.c 
Added files:
	gcc/testsuite/g++.dg/warn: Wunused-2.C 
	gcc/testsuite/gcc.dg: unused-4.c 

Log message:
	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.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.13625&r2=1.13626
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-lang.c.diff?cvsroot=gcc&r1=1.85&r2=1.86
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-objc-common.c.diff?cvsroot=gcc&r1=1.10&r2=1.11
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-tree.h.diff?cvsroot=gcc&r1=1.91&r2=1.92
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks-def.h.diff?cvsroot=gcc&r1=1.25&r2=1.26
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks.c.diff?cvsroot=gcc&r1=1.25&r2=1.26
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/langhooks.h.diff?cvsroot=gcc&r1=1.32&r2=1.33
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&r1=1.609&r2=1.610
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.2753&r2=1.2754
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/cp-lang.c.diff?cvsroot=gcc&r1=1.26&r2=1.27
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/objc/objc-lang.c.diff?cvsroot=gcc&r1=1.14&r2=1.15
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/warn/Wunused-2.C.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/unused-4.c.diff?cvsroot=gcc&r1=NONE&r2=1.1


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