* semantics.c (speculative_access_check): New.
	* cp-tree.h: Declare it.
	* call.c (build_over_call): Use it.
	* class.c (type_has_constexpr_default_constructor): Use locate_ctor.
	* method.c (locate_ctor): Use push/pop_deferring_access_checks.

From-SVN: r166317