[Bug fortran/85111] [8 Regression] ICE in min_max_choose, at fortran/simplify.c:4884 (and others)

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85111

--- Comment #6 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Fri Mar 30 09:56:46 2018
New Revision: 258973

URL: https://gcc.gnu.org/viewcvs?rev=258973&root=gcc&view=rev
Log:
2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/85111
        * array.c (gfc_resolve_character_array_constructor): Early
        exit for zero-size arrays.
        * simplify.c (simplify_transformation_to_array): Exit early
        if the result size is zero.
        (simplify_minmaxloc_to_array): Likewise.

2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/85111
        * gfortran.dg/zero_sized_10.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/zero_sized_10.f90
Modified:
    trunk/gcc/fortran/array.c
    trunk/gcc/fortran/simplify.c