[Bug tree-optimization/46213] [4.6 Regression] gfortran.dg/aliasing_array_result_1.f90 ICE: in vectorizable_reduction, at tree-vect-loop.c:4046 with custom compiler flags

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46213

--- Comment #5 from irar at gcc dot gnu.org 2010-11-04 11:51:13 UTC ---
Author: irar
Date: Thu Nov  4 11:51:09 2010
New Revision: 166306

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166306
Log:

        PR tree-optimization/46213
        * tree-vect-loop.c (vect_is_simple_reduction_1): Handle 
        MINUS_EXPR only if the first operand is reduction operand.


Added:
    trunk/gcc/testsuite/gfortran.dg/vect/pr46213.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c