[Bug tree-optimization/55008] [4.8 Regression] Internal compiler error : verify_ssa failed

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55008

--- Comment #5 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-10-22 22:09:29 UTC ---
Author: wschmidt
Date: Mon Oct 22 22:09:22 2012
New Revision: 192696

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192696
Log:
gcc:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    PR tree-optimization/55008
    * gimple-ssa-strength-reduction.c (find_basis_for_candidate): Don't
    allow a candidate to be a basis for itself under another interpretation.

gcc/testsuite:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

    PR tree-optimization/55008
    * gcc.dg/tree-ssa/pr55008.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr55008.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-strength-reduction.c
    trunk/gcc/testsuite/ChangeLog