re PR c++/40405 (ICE with invalid initialization of template member)

	PR c++/40405
	* pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
	if we got the wrong number of template parms.

From-SVN: r196231

gcc/cp/ChangeLog

 2013-02-22  Jason Merrill  <jason@redhat.com>
 
+	PR c++/40405
+	* pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
+	if we got the wrong number of template parms.
+
 	PR c++/56377
 	* pt.c (fn_type_unification): Use explicit args in template
 	instantiation context.

gcc/cp/pt.c

@@ -4782,6 +4782,8 @@ push_template_decl_real (tree decl, bool is_friend)
 		  error ("got %d template parameters for %q#T",
 			 TREE_VEC_LENGTH (a), current);
 		error ("  but %d required", TREE_VEC_LENGTH (t));
+		/* Avoid crash in import_export_decl.  */
+		DECL_INTERFACE_KNOWN (decl) = 1;
 		return error_mark_node;
 	      }

gcc/testsuite/g++.dg/template/error49.C

+// PR c++/40405
+
+template<int, int> struct A
+{
+  static int i;
+};
+
+template<int> int A<0,0>::i = 0; // { dg-error "" }
+
+int j = A<0,0>::i;