[Committed] PR fortran/91727 -- NULL pointer dereference

[Steve Kargl]

Committed as obvious.

The patch checks for a NULL pointer dereference.  In this
case, it pointers to an error in the Fortran code, and so
gfortran now issues an informative error message.

2019-09-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/91727
	* resolve.c (conformable_arrays):  If array-spec is NULL, then
	allocate-object is a scalar.  a conformability check only occurs
	for an array source-expr.

2019-09-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/91727
	* gfortran.dg/pr91727.f90: New test.

-- 
Steve
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