[Bug tree-optimization/53663] [4.7/4.8 Regression] inconsistent inline handling of bool within union

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53663

--- Comment #15 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-25 07:52:01 UTC ---
Author: rguenth
Date: Tue Sep 25 07:51:51 2012
New Revision: 191694

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191694
Log:
2012-09-25  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/53663
    * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional
    native encode/interpret translation on VN_WALKREWRITE.

    * gcc.dg/torture/pr53663-1.c: New testcase.
    * gcc.dg/torture/pr53663-2.c: Likewise.
    * gcc.dg/torture/pr53663-3.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr53663-1.c
    trunk/gcc/testsuite/gcc.dg/torture/pr53663-2.c
    trunk/gcc/testsuite/gcc.dg/torture/pr53663-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c