[Bug tree-optimization/46398] early FRE miscompiles simple testcase

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46398

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-10 
10:59:23 UTC ---
Author: rguenth
Date: Wed Nov 10 10:59:20 2010
New Revision: 166527

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166527
Log:
2010-11-10  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/46398
    * tree-ssa-sccvn.c (process_scc): Iterate for all PHIs.

    * gcc.dg/torture/pr46398.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr46398.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c