[Bug tree-optimization/70043] [6 Regression] The compiler hangs in a fortran test-case with -Ofast -g -march=haswell

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70043

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Mar  3 10:08:09 2016
New Revision: 233934

URL: https://gcc.gnu.org/viewcvs?rev=233934&root=gcc&view=rev
Log:
Skip properly debug stmt in optimize_mask_stores (PR

        PR tree-optimization/70043
        * tree-vect-loop.c (optimize_mask_stores): Move iterator to
        previous statement if we see a debug statement.
        * gfortran.dg/vect/pr70043.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/vect/pr70043.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c