[PATCH] PR fortran/66380 -- Remove assert() to allow error condition

[Steve Kargl]

The attached patch returns an assert() and returns NULL
during the simplification of a bad RESHAPE call.  This
allows gfortran to correctly issue and error message.
Regression tested on trunk.  OK to commit.

2015-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	* simplify.c (gfc_simplify_reshape): Convert assert into returning
	NULL, which triggers an error condition.

2015-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.dg/reshape_7.f90: New test.

-- 
Steve
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