PR 94347 - add a test case for something a PR has fixed itself.

2020-04-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/94347
	* gfortran.dg/char_pointer_init_1.f90: New test.

gcc/testsuite/ChangeLog

 2020-04-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
+	PR fortran/94347
+	* gfortran.dg/char_pointer_init_1.f90: New test.
+
+2020-04-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
 	PR fortran/57129
 	* gfortran.dg/subroutine_as_type.f90: New test.
 

gcc/testsuite/gfortran.dg/pointer_init_12.f90

+! { dg-do compile }
+! PR 94347 - this used to cause an ICE.
+! Original test case by "Serghei".
+program main
+    character(10), target :: a
+    character(:), pointer :: p => null()
+    p => a
+end program main