re PR fortran/80768 (NULL pointer dereferenced in gfc_check_num_images at fortran/check.c)

2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/80768
	* gfortran.dg/num_images_1.f90:  New test that tests fix in r250734.

From-SVN: r256906

gcc/testsuite/ChangeLog

+2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/80768
+	* gfortran.dg/num_images_1.f90:  New test that tests fix in r250734.
+
 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/81167

gcc/testsuite/gfortran.dg/num_images_1.f90

+! { dg-do compile }
+! { dg-options "-fcoarray=single -std=f2008" }
+! PR  Fortran/80768
+! Reported by Vittorio Zecca.
+program foo
+   implicit none
+   integer k5
+   k5 = num_images(failed=.false.) ! { dg-error "argument to NUM_IMAGES" }
+end program foo