[Bug tree-optimization/39764] ICE in set_lattice_value, at tree-ssa-ccp.c:468 with -ffinite-math-only

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-04-16 09:39 -------
Subject: Bug 39764

Author: rguenth
Date: Thu Apr 16 09:39:20 2009
New Revision: 146157

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=146157
Log:
2009-04-15  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/39764
        * tree-ssa-ccp.c (get_value): Canonicalize value with
        canonicalize_float_value.

        * g++.dg/torture/pr39764.C: New testcase.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/torture/pr39764.C
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/tree-ssa-ccp.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39764