re PR c++/63437 ([C++14] Parenthesized "movable but not copyable" object doesn't compile in return statement)

	PR c++/63437
	* cp-tree.h (REF_PARENTHESIZED_P): Also allow INDIRECT_REF.
	* semantics.c (force_paren_expr): And set it.
	* typeck.c (check_return_expr): And handle it.

From-SVN: r216042