[Bug fortran/68147] Potential incorrect code generation for string self-assignment

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68147

--- Comment #16 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Aug 13 15:04:04 2016
New Revision: 239445

URL: https://gcc.gnu.org/viewcvs?rev=239445&root=gcc&view=rev
Log:
2016-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        PR fortran/68147
        * frontend-passes.c (realloc_string_callback): Don't set
        walk_subtrees.

2016-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

        Backport from trunk
        * gfortran.dg/realloc_on_assign_26.f90:  New test case.


Added:
    branches/gcc-5-branch/gcc/testsuite/gfortran.dg/realloc_on_assign_26.f90
Modified:
    branches/gcc-5-branch/gcc/fortran/ChangeLog
    branches/gcc-5-branch/gcc/fortran/frontend-passes.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog