[Bug tree-optimization/54877] [4.7 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877



--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-05 
15:05:48 UTC ---

Author: jakub

Date: Mon Nov  5 15:05:42 2012

New Revision: 193164



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193164

Log:

    Backported from mainline

    2012-10-10  Jakub Jelinek  <ja...@redhat.com>



    PR tree-optimization/54877

    * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR

    use make_ssa_name instead of copy_ssa_name.



    * gcc.dg/torture/pr54877.c: New test.



Added:

    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr54877.c

Modified:

    branches/gcc-4_7-branch/gcc/ChangeLog

    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog

    branches/gcc-4_7-branch/gcc/tree-vect-loop.c