r240652 - in /trunk/gcc: fortran/ChangeLog fort...

[foreese@gcc.gnu.org]

Author: foreese
Date: Fri Sep 30 11:42:31 2016
New Revision: 240652

URL: https://gcc.gnu.org/viewcvs?rev=240652&root=gcc&view=rev
Log:
2016-09-30  Fritz Reese  <fritzoreese@gmail.com>

Fix ICE for maps with zero components.

	PR fortran/77764
	* gcc/fortran/interface.c (gfc_compare_union_types): Null-guard map
	components.

	PR fortran/77764
	* gcc/testsuite/gfortran.dg/dec_union_8.f90: New testcase.


Added:
    trunk/gcc/testsuite/gfortran.dg/dec_union_8.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/interface.c
    trunk/gcc/testsuite/ChangeLog