gcc/gcc ChangeLog fold-const.c testsuite/Chang ...

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	law@gcc.gnu.org	2005-02-01 03:48:53

Modified files:
	gcc            : ChangeLog fold-const.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/execute: 20050131-1.c 
	gcc/testsuite/gcc.dg: wcaselabel-1.c 

Log message:
	* fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
	effects when optimizing 0 % X.  Do not try to optimize X % 0.
	
	* gcc.c-torture/execute/20050131-1.c: New test.
	* gcc.dg/wcaselabel.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7354&r2=2.7355
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.500&r2=1.501
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4966&r2=1.4967
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050131-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/wcaselabel-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1