FYI: Compile fixes when always using a local for method return value

Source/bindings/tests/results/V8TestInterface2.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterface2.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 204 matching lines @@
 static void deleteNamedItemMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface2V8Internal::deleteNamedItemMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void stringifierMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
-    v8SetReturnValueString(info, impl->stringifierMethod(), info.GetIsolate());
+    String result = impl->stringifierMethod();
+    v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 static void stringifierMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface2V8Internal::stringifierMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void toStringMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestInterface2* impl = V8TestInterface2::toNative(info.Holder());
-    v8SetReturnValueString(info, impl->stringifierMethod(), info.GetIsolate());
+    String result = impl->stringifierMethod();
+    v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 static void toStringMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface2V8Internal::toStringMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
@@ skipping 295 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterface2* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore