[Bug tree-optimization/17252] [4.0 Regression] not marking char types as aliasing anything

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-15 02:58 -------
Subject: Bug 17252

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dnovillo@gcc.gnu.org	2004-09-15 02:58:28

Modified files:
	gcc            : ChangeLog tree-ssa-alias.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/execute: pr17252.c 

Log message:
	PR tree-optimization/17252
	* tree-ssa-alias.c (may_alias_p): Don't assume that a
	pointer may not point to itself when using relaxed
	aliasing rules.
	
	testsuite/ChangeLog
	
	PR tree-optimization/17252
	* gcc.c-torture/execute/pr17252.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5452&r2=2.5453
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-alias.c.diff?cvsroot=gcc&r1=2.34&r2=2.35
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4289&r2=1.4290
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/pr17252.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17252