The attached patch has been built and regression
tested on x86_64-*-freebsd.  No regression occurred.

The patch removes a conditional within an assert() 
that triggers when a BLOCK construct is encountered.

OK to commit?

2015-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/67616
	* primary.c (gfc_match_structure_constructor): Remove a condition
	in an assert() that is not valid within a BLOCK-END BLOCK construct.

2015-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/67616
	* gfortran.dg/pr67616.f90: New test.
-- 
Steve