[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  <wschm...@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  <wschm...@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