[Bug tree-optimization/39362] [4.4 Regression] ICE failing to coalesce ab SSA names

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-03-04 23:00 -------
Subject: Bug 39362

Author: rguenth
Date: Wed Mar  4 23:00:25 2009
New Revision: 144626

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144626
Log:
2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39362
        * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
        that occur in abnormal PHIs should be varying.

        * g++.dg/torture/pr39362.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr39362.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39362