[JSC] Avoid Unnecessary Vector Usage When Argument Count is Zero in Math.hypot

https://bugs.webkit.org/show_bug.cgi?id=294184

Reviewed by Yusuke Suzuki and Sosuke Suzuki.

Avoid unnecessary vector usage when argument count is zero in Math.hypot

* Source/JavaScriptCore/runtime/MathObject.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):

Canonical link: https://commits.webkit.org/296034@main

Author: Gumichocopengin8

Source/JavaScriptCore/runtime/MathObject.cpp

@@ -201,6 +201,8 @@ JSC_DEFINE_HOST_FUNCTION(mathProtoFuncHypot, (JSGlobalObject* globalObject, Call
 
     unsigned argsCount = callFrame->argumentCount();
 
+    if (!argsCount) [[unlikely]]
+        return JSValue::encode(jsDoubleNumber(0));
     if (argsCount == 1) {
         double arg0 = callFrame->uncheckedArgument(0).toNumber(globalObject);
         RETURN_IF_EXCEPTION(scope, { });