PR libstdc++/69321
	* include/experimental/any (__any_caster): Avoid instantiating
	manager function for types that can't be stored in any.
	* include/std/any (__any_caster): Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
	* testsuite/experimental/any/misc/any_cast.cc: Likewise.

From-SVN: r244678