Improve handling of failed integer type conversions.

Source/bindings/tests/results/V8TestInterface.cpp

Index: Source/bindings/tests/results/V8TestInterface.cpp
diff --git a/Source/bindings/tests/results/V8TestInterface.cpp b/Source/bindings/tests/results/V8TestInterface.cpp
index 9b180d065b6bc12b4867739ca4cacb510fa7ba51..88a6c05a79152ec2f6212cf8dde7559b98bfa3c3 100644
--- a/Source/bindings/tests/results/V8TestInterface.cpp
+++ b/Source/bindings/tests/results/V8TestInterface.cpp
@@ -679,11 +679,12 @@ static void supplementalMethod4MethodCallback(const v8::FunctionCallbackInfo<v8:
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ConstructionContext, "TestInterface", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToConstruct("TestInterface", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
         return;
     }
-    ExceptionState exceptionState(ExceptionState::ConstructionContext, "TestInterface", info.Holder(), info.GetIsolate());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str1, info[0]);
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, str2, info[1]);
     ExecutionContext* context = getExecutionContext();