[Bug tree-optimization/55110] [4.8 Regression] Internal compiler error in vectorizable_reduction, at tree-vect-loop.c:4633

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55110



--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-19 
17:16:02 UTC ---

Author: jakub

Date: Tue Feb 19 17:15:53 2013

New Revision: 196140



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196140

Log:

    Backported from mainline

    2012-11-27  Jakub Jelinek  <ja...@redhat.com>



    PR tree-optimization/55110

    * tree-vect-loop.c (vectorizable_reduction): Don't assert

    that STMT_VINFO_RELATED_STMT of orig_stmt is stmt.



    * gcc.dg/pr55110.c: New test.



Added:

    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/pr55110.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