Improve handling of failed integer type conversions.

Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp

Index: Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp
diff --git a/Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp b/Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp
index f3adead784c758a55f0cf3f53ffc5940991b1b42..c0a55e1f45e597b7859c440462b2c1536a370e6b 100644
--- a/Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp
+++ b/Source/bindings/tests/results/V8TestInterfaceNamedConstructor.cpp
@@ -100,7 +100,7 @@ static void V8TestInterfaceNamedConstructorConstructorCallback(const v8::Functio
     }
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
     V8TRYCATCH_VOID(bool, defaultUndefinedOptionalBooleanArg, info[1]->BooleanValue());
-    V8TRYCATCH_VOID(int, defaultUndefinedOptionalLongArg, toInt32(info[2]));
+    V8TRYCATCH_EXCEPTION_VOID(int, defaultUndefinedOptionalLongArg, toInt32(info[2], exceptionState), exceptionState);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, defaultUndefinedOptionalStringArg, info[3]);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, defaultNullStringOptionalstringArg, argumentOrNull(info, 4));
     RefPtr<TestInterfaceNamedConstructor> impl = TestInterfaceNamedConstructor::createForJSConstructor(*document, stringArg, defaultUndefinedOptionalBooleanArg, defaultUndefinedOptionalLongArg, defaultUndefinedOptionalStringArg, defaultNullStringOptionalstringArg, exceptionState);