[Bug tree-optimization/49926] [4.7 Regression] ice in process_use, at tree-vect-stmts.c:405

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49926

--- Comment #4 from irar at gcc dot gnu.org 2011-08-01 16:58:24 UTC ---
Author: irar
Date: Mon Aug  1 16:58:20 2011
New Revision: 177063

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177063
Log:

        PR tree-optimization/49926
        * tree-vect-loop.c (vect_is_slp_reduction): Check that a
        statement in a chain doesn't have uses both inside and
        outside the loop.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr49926.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c