re PR middle-end/55030 (gcc.c-torture/execute/builtins/memcpy-chk.c execution, ...

re PR middle-end/55030 (gcc.c-torture/execute/builtins/memcpy-chk.c execution,  -Os (et al))

	PR middle-end/55030
	Revert:
	* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
	expand_builtin_setjmp_receiver.
	(expand_label): Adjust, call expand_builtin_setjmp_receiver
	with NULL for the label parameter.
	* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
	the frame-pointer.  Adjust comments.
	[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
	only if LABEL is non-NULL.

From-SVN: r192701