re PR c++/65727 (Segfault With Decltype In Lambda Expression Used To Initialize Static Class Member)

	PR c++/65727
	* lambda.c (lambda_expr_this_capture): In unevaluated context go
	through the normal loop, just don't capture.
	(maybe_resolve_dummy): Handle null return.

Co-Authored-By: Marek Polacek <polacek@redhat.com>

From-SVN: r222132