PR c++/53599
	* name-lookup.c (pushtag_1): Add a DECL_EXPR for a local class.
	* semantics.c (finish_cond): Build a COMPOUND_EXPR.
	* pt.c (tsubst_expr) [COMPOUND_EXPR]: Handle.
	[DECL_EXPR]: Don't call cp_finish_decl for an implicit typedef.
	Don't return the decl.

From-SVN: r188473