IDL: Support runtime enabled overloads affecting Function.length

Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp

Index: Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp
diff --git a/Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp b/Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp
index 1480357da44a814fb0873bb54b11fd89ad1e96d8..0f7e3dedc3d254398b69083776fcce609ecdcf85 100644
--- a/Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp
+++ b/Source/bindings/tests/results/modules/V8TestInterfacePartial.cpp
@@ -57,6 +57,9 @@ static void voidMethodPartialOverloadMethod(const v8::FunctionCallbackInfo<v8::V
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         exceptionState.throwIfNeeded();
         return;
@@ -87,6 +90,9 @@ static void staticVoidMethodPartialOverloadMethod(const v8::FunctionCallbackInfo
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         exceptionState.throwIfNeeded();
         return;
@@ -122,6 +128,9 @@ static void promiseMethodPartialOverloadMethod(const v8::FunctionCallbackInfo<v8
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         v8SetReturnValue(info, exceptionState.reject(ScriptState::current(info.GetIsolate())).v8Value());
         return;
@@ -153,6 +162,9 @@ static void staticPromiseMethodPartialOverloadMethod(const v8::FunctionCallbackI
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         v8SetReturnValue(info, exceptionState.reject(ScriptState::current(info.GetIsolate())).v8Value());
         return;
@@ -202,6 +214,9 @@ static void partial2VoidMethodMethod(const v8::FunctionCallbackInfo<v8::Value>&
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         exceptionState.throwIfNeeded();
         return;
@@ -232,6 +247,9 @@ static void partial2StaticVoidMethodMethod(const v8::FunctionCallbackInfo<v8::Va
         }
         break;
     default:
+        break;
+    }
+    if (info.Length() < 0) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(0, info.Length()));
         exceptionState.throwIfNeeded();
         return;