r208259 - in /branches/gcc-4_7-branch/gcc: fort...

[mikael@gcc.gnu.org]

Author: mikael
Date: Sun Mar  2 18:49:18 2014
New Revision: 208259

URL: http://gcc.gnu.org/viewcvs?rev=208259&root=gcc&view=rev
Log:
fortran/
        PR fortran/60341
        * frontend-passes.c (optimize_comparison): Guard two union
        accesses with the corresponding tag checks.

testsuite/
        PR fortran/60341
        * gfortran.dg/str_comp_optimize_1.f90: New test.


Added:
    branches/gcc-4_7-branch/gcc/testsuite/gfortran.dg/str_comp_optimize_1.f90
Modified:
    branches/gcc-4_7-branch/gcc/fortran/ChangeLog
    branches/gcc-4_7-branch/gcc/fortran/frontend-passes.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog