pt.c (check_explicit_specialization): Handle overloaded constructors correctly.

	* pt.c (check_explicit_specialization): Handle overloaded
	constructors correctly.

From-SVN: r19413

gcc/cp/ChangeLog

+Sun Apr 26 12:10:18 1998  Mark Mitchell  <mmitchell@usa.net>
+
+	* pt.c (check_explicit_specialization): Handle overloaded
+	constructors correctly.
+
 Thu Apr 23 21:19:06 1998  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* cp-tree.def: Add WRAPPER.  USER_CONV now only has two ops.

gcc/cp/pt.c

@@ -1041,12 +1041,10 @@ check_explicit_specialization (declarator, decl, template_count, flags)
 		  return decl;
 		}
 
-	      fns = TREE_VEC_ELT(CLASSTYPE_METHOD_VEC (ctype),
-				 is_constructor ? 0 : 1);
+	      name = is_constructor ? ctor_identifier : dtor_identifier;
 	    }
-	  else 
-	    fns = lookup_fnfields (TYPE_BINFO (ctype), name,
-				   1);
+
+	  fns = lookup_fnfields (TYPE_BINFO (ctype), name, 1);
 	  
 	  if (fns == NULL_TREE) 
 	    {

gcc/testsuite/g++.old-deja/g++.pt/instantiate3.C

+// Build don't link:
+
+template <class T>
+struct S
+{
+  S(const T&) {}
+  S(int, long);
+};
+
+template S<double>::S(const double&);