* builtins.c (expand_builtin_memcpy_with_bounds): Use target hook
	instead of BNDmode.
	(expand_builtin_mempcpy_with_bounds): Likewise.
	(expand_builtin_memset_with_bounds): Likewise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217658 138bc75d-0d04-0410-961f-82ee72b054a4