[Bug tree-optimization/49478] ice in expand_widen_pattern_expr with -O3

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49478

--- Comment #5 from irar at gcc dot gnu.org 2011-06-21 11:58:36 UTC ---
Author: irar
Date: Tue Jun 21 11:58:33 2011
New Revision: 175255

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175255
Log:

        PR tree-optimization/49478
        * tree-vect-loop.c (vectorizable_reduction): Handle DOT_PROD_EXPR
        with constant operand.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr49478.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c