Better arity checks for overloads

Source/bindings/tests/results/V8TestInterfaceConstructor.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 "V8TestInterfaceConstructor.h"
 
 #include "RuntimeEnabledFeatures.h"
@@ skipping 105 matching lines @@
             TestInterfaceConstructorV8Internal::constructor2(info);
             return;
         }
         break;
     case 8:
         if (true) {
             TestInterfaceConstructorV8Internal::constructor2(info);
             return;
         }
         break;
+    default:
+        if (info.Length() >= 0) {
+            throwArityTypeError(exceptionState, "[0, 6, 7, 8]", info.Length());
+            return;
+        }
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
+        exceptionState.throwIfNeeded();
+        return;
     }
     exceptionState.throwTypeError("No matching constructor signature.");
     exceptionState.throwIfNeeded();
 }
 
 } // namespace TestInterfaceConstructorV8Internal
 
 void V8TestInterfaceConstructor::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SCOPED_SAMPLING_STATE("Blink", "DOMConstructor");
@@ skipping 84 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestInterfaceConstructor* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore