https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01323.html
	PR c++/81060
	* decl.c (xref_tag_1): Push lambda into current scope.
	* name-lookup.c (do_pushtag): Don't deal with ts_lambda here.

	PR c++81060
	* g++.dg/cpp0x/lambda/lambda-template13.C: Avoid undefined
	template using local type error.
	* g++.dg/cpp0x/pr81060.C: New.

From-SVN: r254817