r174026 - in /trunk/gcc: ChangeLog testsuite/Ch...

[irar@gcc.gnu.org]

Author: irar
Date: Sun May 22 08:04:43 2011
New Revision: 174026

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174026
Log:

        PR tree-optimization/49087
        * tree-vect-loop.c (vect_is_slp_reduction): Fail if
        LHS has no uses.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/O3-pr49087.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c