fix lack of error in structuredClone polyfill on attempt to transfer multiple objects, some of which are non-transferable

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Fixed some cases of `RegExp` NCG polyfill in combination with other types of groups
 - Fixed `URL` polyfill `.origin` getter with `blob` scheme
 - Fixed counter in some cases of some `AsyncIterator` methods
+- Fixed lack of error in `structuredClone` polyfill on attempt to transfer multiple objects, some of which are non-transferable
 - Fixed a minor logical bug in the debugging output of `core-js-builder`
 - Compat data improvements:
   - [`Iterator.concat`](https://github.com/tc39/proposal-iterator-sequencing) marked as [shipped in V8 ~ Chrome 146](https://issues.chromium.org/issues/434977727#comment7)

packages/core-js/modules/web.structured-clone.js

@@ -443,8 +443,8 @@ var tryToTransfer = function (rawTransfer, map) {
 
   while (i < length) {
     value = transfer[i++];
-
     type = classof(value);
+    transferred = undefined;
 
     if (type === 'ArrayBuffer' ? setHas(buffers, value) : mapHas(map, value)) {
       throw new DOMException('Duplicate transferable', DATA_CLONE_ERROR);