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src/share/vm/runtime/os.cpp

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@@ -289,13 +289,12 @@
         break;
       }
       default: {
         // Dispatch the signal to java
         HandleMark hm(THREAD);
-        Klass* k = SystemDictionary::resolve_or_null(vmSymbols::jdk_internal_misc_Signal(), THREAD);
-        KlassHandle klass (THREAD, k);
-        if (klass.not_null()) {
+        Klass* klass = SystemDictionary::resolve_or_null(vmSymbols::jdk_internal_misc_Signal(), THREAD);
+        if (klass != NULL) {
           JavaValue result(T_VOID);
           JavaCallArguments args;
           args.push_int(sig);
           JavaCalls::call_static(
             &result,

@@ -350,28 +349,28 @@
 
 void os::signal_init(TRAPS) {
   if (!ReduceSignalUsage) {
     // Setup JavaThread for processing signals
     Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, CHECK);
-    instanceKlassHandle klass (THREAD, k);
-    instanceHandle thread_oop = klass->allocate_instance_handle(CHECK);
+    InstanceKlass* ik = InstanceKlass::cast(k);
+    instanceHandle thread_oop = ik->allocate_instance_handle(CHECK);
 
     const char thread_name[] = "Signal Dispatcher";
     Handle string = java_lang_String::create_from_str(thread_name, CHECK);
 
     // Initialize thread_oop to put it into the system threadGroup
     Handle thread_group (THREAD, Universe::system_thread_group());
     JavaValue result(T_VOID);
     JavaCalls::call_special(&result, thread_oop,
-                           klass,
+                           ik,
                            vmSymbols::object_initializer_name(),
                            vmSymbols::threadgroup_string_void_signature(),
                            thread_group,
                            string,
                            CHECK);
 
-    KlassHandle group(THREAD, SystemDictionary::ThreadGroup_klass());
+    Klass* group = SystemDictionary::ThreadGroup_klass();
     JavaCalls::call_special(&result,
                             thread_group,
                             group,
                             vmSymbols::add_method_name(),
                             vmSymbols::thread_void_signature(),
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