lib: create weakRef only if any signals provided

Author: atlowChemi

lib/internal/abort_controller.js

@@ -197,9 +197,10 @@ class AbortSignal extends EventTarget {
   static any(signals) {
     validateAbortSignalArray(signals, 'signals');
     const resultSignal = createAbortSignal({ composite: true });
-    const resultSignalWeakRef = new WeakRef(resultSignal);
+    let resultSignalWeakRef;
     resultSignal[kSourceSignals] = new SafeSet();
     for (let i = 0; i < signals.length; i++) {
+      resultSignalWeakRef ??= new WeakRef(resultSignal);
       const signal = signals[i];
       if (signal.aborted) {
         abortSignal(resultSignal, signal.reason);