[Bug tree-optimization/33340] [4.3 Regression] ICE: SSA corruption with -O (FRE)

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2007-09-18 08:46 -------
Subject: Bug 33340

Author: rguenth
Date: Tue Sep 18 08:46:23 2007
New Revision: 128571

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128571
Log:
2007-09-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33340
        * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
        SSA_NAMEs that occur in abnormal PHI nodes.

        * g++.dg/torture/pr33340.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr33340.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=33340