PR c++/8720
	* spew.c (remove_last_token): Make sure that last_chunk is set
	correctly.

	PR c++/8615
	* error.c (dump_expr): Handle character constants with
	TREE_OVERFLOW set.

	PR c++/8720
	* g++.dg/parse/defarg1.C: New test.

	PR c++/8615
	* g++.dg/template/char1.C: New test.

From-SVN: r59757