[Bug fortran/68829] [5/6/7/8 Regression] Segfaults with -Ofast due to large array on stack

["tkoenig at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68829

--- Comment #7 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Mon Aug  7 16:43:05 2017
New Revision: 250923

URL: https://gcc.gnu.org/viewcvs?rev=250923&root=gcc&view=rev
Log:
2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/68829
        * doc/invoke.texi: Document change in behvaior for -Ofast for
        Fortran.

2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/68829
        PR fortran/81701
        * options.c: Make -Ofast honor -fmax-stack-var-size.
        * invoke.texi: Document change.

2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/68829
        PR fortran/81701
        * gfortran.dg/o_fast_stacksize.90:  New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/o_fast_stacksize.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/invoke.texi
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/options.c
    trunk/gcc/testsuite/ChangeLog