re PR fortran/83149 ([6- and 7-branches] Missing test for sym->ns->proc_name: crash_signal in toplev.c:325)

2018-02-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/83149
	* trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
	accessing its components.

2018-02-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/83149
	* gfortran.dg/pr83149_b.f90: New test.
	* gfortran.dg/pr83149_a.f90: Additional source for previous.

From-SVN: r257938