[Bug fortran/78021] [5/6/7 Regression] Wrong result with optimization on character constant

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78021

--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sun Oct 23 17:32:40 2016
New Revision: 241449

URL: https://gcc.gnu.org/viewcvs?rev=241449&root=gcc&view=rev
Log:
2016-10-23  Thomas Koenig  <tkoe...@gcc.gnu.org>

        Backport from trunk
        PR fortran/78021
        * gfc_compare_functions:  Strings with different lengths in
        argument lists compare unequal.

2016-10-23  Thomas Koenig  <tkoe...@gcc.gnu.org>

        Backport from trunk
        PR fortran/78021
        * gfortran.dg/string_length_3.f90:  New test.


Added:
    branches/gcc-6-branch/gcc/testsuite/gfortran.dg/string_length_3.f90
Modified:
    branches/gcc-6-branch/gcc/fortran/ChangeLog
    branches/gcc-6-branch/gcc/fortran/dependency.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog