[Bug tree-optimization/17558] [4.0 Regression] internal compiler error: in merge_alias_info, at tree-ssa-copy.c:182

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-20 20:53 -------
Subject: Bug 17558

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2004-09-20 20:53:09

Modified files:
	gcc            : ChangeLog tree-ssa-copy.c 

Log message:
	2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/17558
	* tree-ssa-copy.c (may_propagate_copy): Only allow if the
	aliasing sets are the same rather than just conflicting.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5535&r2=2.5536
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-copy.c.diff?cvsroot=gcc&r1=2.15&r2=2.16



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17558