diff -r 49fac4acd688 -r 136b78722a08 src/share/vm/utilities/constantTag.cpp
--- a/src/share/vm/utilities/constantTag.cpp	Mon Jun 07 14:17:01 2010 -0700
+++ b/src/share/vm/utilities/constantTag.cpp	Wed Jun 09 18:50:45 2010 -0700
@@ -28,56 +28,85 @@
 #ifndef PRODUCT
 
 void constantTag::print_on(outputStream* st) const {
+  st->print(internal_name());
+}
+
+#endif // PRODUCT
+
+BasicType constantTag::basic_type() const {
   switch (_tag) {
+    case JVM_CONSTANT_Integer :
+      return T_INT;
+    case JVM_CONSTANT_Float :
+      return T_FLOAT;
+    case JVM_CONSTANT_Long :
+      return T_LONG;
+    case JVM_CONSTANT_Double :
+      return T_DOUBLE;
+
     case JVM_CONSTANT_Class :
-      st->print("Class");
-      break;
-    case JVM_CONSTANT_Fieldref :
-      st->print("Field");
-      break;
-    case JVM_CONSTANT_Methodref :
-      st->print("Method");
-      break;
-    case JVM_CONSTANT_InterfaceMethodref :
-      st->print("InterfaceMethod");
-      break;
     case JVM_CONSTANT_String :
-      st->print("String");
-      break;
-    case JVM_CONSTANT_Integer :
-      st->print("Integer");
-      break;
-    case JVM_CONSTANT_Float :
-      st->print("Float");
-      break;
-    case JVM_CONSTANT_Long :
-      st->print("Long");
-      break;
-    case JVM_CONSTANT_Double :
-      st->print("Double");
-      break;
-    case JVM_CONSTANT_NameAndType :
-      st->print("NameAndType");
-      break;
-    case JVM_CONSTANT_Utf8 :
-      st->print("Utf8");
-      break;
     case JVM_CONSTANT_UnresolvedClass :
-      st->print("Unresolved class");
-      break;
+    case JVM_CONSTANT_UnresolvedClassInError :
     case JVM_CONSTANT_ClassIndex :
-      st->print("Unresolved class index");
-      break;
     case JVM_CONSTANT_UnresolvedString :
-      st->print("Unresolved string");
-      break;
     case JVM_CONSTANT_StringIndex :
-      st->print("Unresolved string index");
-      break;
+    case JVM_CONSTANT_MethodHandle :
+    case JVM_CONSTANT_MethodType :
+    case JVM_CONSTANT_Object :
+      return T_OBJECT;
     default:
       ShouldNotReachHere();
-      break;
+      return T_ILLEGAL;
   }
 }
 
-#endif // PRODUCT
+
+
+const char* constantTag::internal_name() const {
+  switch (_tag) {
+    case JVM_CONSTANT_Invalid :
+      return "Invalid index";
+    case JVM_CONSTANT_Class :
+      return "Class";
+    case JVM_CONSTANT_Fieldref :
+      return "Field";
+    case JVM_CONSTANT_Methodref :
+      return "Method";
+    case JVM_CONSTANT_InterfaceMethodref :
+      return "InterfaceMethod";
+    case JVM_CONSTANT_String :
+      return "String";
+    case JVM_CONSTANT_Integer :
+      return "Integer";
+    case JVM_CONSTANT_Float :
+      return "Float";
+    case JVM_CONSTANT_Long :
+      return "Long";
+    case JVM_CONSTANT_Double :
+      return "Double";
+    case JVM_CONSTANT_NameAndType :
+      return "NameAndType";
+    case JVM_CONSTANT_MethodHandle :
+      return "MethodHandle";
+    case JVM_CONSTANT_MethodType :
+      return "MethodType";
+    case JVM_CONSTANT_Object :
+      return "Object";
+    case JVM_CONSTANT_Utf8 :
+      return "Utf8";
+    case JVM_CONSTANT_UnresolvedClass :
+      return "Unresolved Class";
+    case JVM_CONSTANT_UnresolvedClassInError :
+      return "Unresolved Class Error";
+    case JVM_CONSTANT_ClassIndex :
+      return "Unresolved Class Index";
+    case JVM_CONSTANT_UnresolvedString :
+      return "Unresolved String";
+    case JVM_CONSTANT_StringIndex :
+      return "Unresolved String Index";
+    default:
+      ShouldNotReachHere();
+      return "Illegal";
+  }
+}