[Bug tree-optimization/17517] [4.0 Regression] ICE: SSA corruption

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-16 18:45 -------
Subject: Bug 17517

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	amacleod@gcc.gnu.org	2004-09-16 18:45:33

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

Log message:
	2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
	
	PR tree-optimization/17517
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce same-root variables without checking for abnormal PHI usage.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.5480&r2=2.5481
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-copyrename.c.diff?cvsroot=gcc&r1=2.15&r2=2.16



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17517