tree-vect-stmts.c (vectorizable_mask_load_store): Check types of stored value and storage are compatible.

gcc/

	* tree-vect-stmts.c (vectorizable_mask_load_store): Check
	types of stored value and storage are compatible.

gcc/testsuite/

	* g++.dg/vect/simd-mask-store-bool.cc: New test.

From-SVN: r230289