2015-11-21  Steven G. Kargl  <kargl@gcc.gnu.org>

	* simplify.c (gfc_simplify_cshift): Implement simplification of CSHIFT.
	(gfc_simplify_spread): Remove a FIXME and add error condition.
	* intrinsic.h: Prototype for gfc_simplify_cshift
	* intrinsic.c (add_functions): Use gfc_simplify_cshift.
 
2015-11-21  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.dg/simplify_cshift_1.f90: New test.

From-SVN: r230709