gcc/

	* tree-chkp.c (chkp_call_returns_bounds_p): Return true
	for VA_ARG call.
	(chkp_fixup_inlined_call): New.
	* tree-chkp.h (chkp_fixup_inlined_call): New.
	* tree-stdarg.c: Include tree-chkp.h.
	(expand_ifn_va_arg_1): Fixup bndret calls for removed
	VA_ARG calls.

From-SVN: r231525