PR c++/8227
	* decl.c (layout_var_decl): Deal gracefully with erroneous types.
	(check_initializer): Validate the type of the initialized
	variable, even if the initializer is absent.
	* typeck.c (cp_type_quals): Deal gracefully with erroneous types.

	PR c++/8227
	* g++.dg/template/ctor2.C: New test.

From-SVN: r59672