gcc/
	* gimple.h (gimple_assign_single_p): Accept a const_gimple rather
	than a gimple.
	(gimple_store_p): Likewise.
	(gimple_assign_load_p): Likewise.
	(gimple_assign_cast_p): Likewise.
	(gimple_clobber_p): Likewise.

	* doc/gimple.texi (gimple_assign_cast_p): Accept a const_gimple
	rather than a gimple.
	(gimple_assign_cast_p): Likewise.

From-SVN: r209548