re PR tree-optimization/46213 (gfortran.dg/aliasing_array_result_1.f90 ICE: in vectorizable_reduction, at tree-vect-loop.c:4046 with custom compiler flags)


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

From-SVN: r166306