--- a/hotspot/src/share/vm/interpreter/linkResolver.cpp	Fri Apr 30 08:37:24 2010 -0700
+++ b/hotspot/src/share/vm/interpreter/linkResolver.cpp	Sat May 01 02:42:18 2010 -0700
@@ -138,6 +138,15 @@
 
 void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) {
   methodOop result_oop = klass->uncached_lookup_method(name(), signature());
+  if (EnableMethodHandles && result_oop != NULL) {
+    switch (result_oop->intrinsic_id()) {
+    case vmIntrinsics::_invokeExact:
+    case vmIntrinsics::_invokeGeneric:
+    case vmIntrinsics::_invokeDynamic:
+      // Do not link directly to these.  The VM must produce a synthetic one using lookup_implicit_method.
+      return;
+    }
+  }
   result = methodHandle(THREAD, result_oop);
 }
 
@@ -165,8 +174,10 @@
 
 void LinkResolver::lookup_implicit_method(methodHandle& result, KlassHandle klass, symbolHandle name, symbolHandle signature, TRAPS) {
   if (EnableMethodHandles && MethodHandles::enabled() &&
-      name == vmSymbolHandles::invoke_name() && klass() == SystemDictionary::MethodHandle_klass()) {
-    methodOop result_oop = SystemDictionary::find_method_handle_invoke(signature,
+      klass() == SystemDictionary::MethodHandle_klass() &&
+      methodOopDesc::is_method_handle_invoke_name(name())) {
+    methodOop result_oop = SystemDictionary::find_method_handle_invoke(name,
+                                                                       signature,
                                                                        Handle(),
                                                                        Handle(),
                                                                        CHECK);
@@ -239,7 +250,7 @@
   // The class is java.dyn.MethodHandle
   resolved_klass = SystemDictionaryHandles::MethodHandle_klass();
 
-  symbolHandle method_name = vmSymbolHandles::invoke_name();
+  symbolHandle method_name = vmSymbolHandles::invokeExact_name();
 
   symbolHandle method_signature(THREAD, pool->signature_ref_at(index));
   KlassHandle  current_klass   (THREAD, pool->pool_holder());
@@ -1041,10 +1052,10 @@
 
   // At this point, we only need the signature, and can ignore the name.
   symbolHandle method_signature(THREAD, pool->signature_ref_at(raw_index));  // raw_index works directly
-  symbolHandle method_name = vmSymbolHandles::invoke_name();
+  symbolHandle method_name = vmSymbolHandles::invokeExact_name();
   KlassHandle resolved_klass = SystemDictionaryHandles::MethodHandle_klass();
 
-  // JSR 292:  this must be an implicitly generated method MethodHandle.invoke(*...)
+  // JSR 292:  this must be an implicitly generated method MethodHandle.invokeExact(*...)
   // The extra MH receiver will be inserted into the stack on every call.
   methodHandle resolved_method;
   lookup_implicit_method(resolved_method, resolved_klass, method_name, method_signature, CHECK);