re PR c++/8660 (template overloading ICE in tsubst_expr, at cp/pt.c:7644)

        PR c++/8660
        * decl2.c (check_classfn): A member template only matches a
        member template.

[[Split portion of a mixed commit.]]

From-SVN: r64167.2

gcc/testsuite/g++.dg/template/member2.C

+// PR c++/8660
+// Bug: we were treating the definition of the non-template as a definition
+// of the template, which broke.
+
+struct BadgerBuf
+{
+  void ReadPod();
+  template<class B>
+  void ReadPod();
+};
+
+void BadgerBuf::ReadPod ()
+  { ReadPod<int> (); }

gcc/testsuite/g++.old-deja/g++.mike/err1.C

@@ -2,7 +2,7 @@
 
 struct gorf {
   int stuff;
-  void snarf();
+  void snarf();			// ERROR - 
 };
 
 template <class T> void gorf::snarf() { return; }  // ERROR -