[Bug fortran/85387] [8 Regression] incorrect output with optimization /= 0

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85387

--- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Apr 14 13:38:41 2018
New Revision: 259384

URL: https://gcc.gnu.org/viewcvs?rev=259384&root=gcc&view=rev
Log:
2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/85387
        * frontend-passes.c (traverse_io_block): Check for start, end or
        stride being defined by an outer implied DO loop.

2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/85387
        * gfortran.dg/implied_do_io_5.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/implied_do_io_5.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/frontend-passes.c
    trunk/gcc/testsuite/ChangeLog