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Fix Value::isGCThing footgun, stop returning true for NullValue

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trav90 2018-04-07 12:24:30 -05:00 • committed by Roy Tam
commit 10b24b8110
31 changed files with 87 additions and 103 deletions
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4
dom/xhr/XMLHttpRequestWorker.cpp
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@ -1148,8 +1148,8 @@ EventRunnable::PreDispatch(WorkerPrivate* /* unused */)
} else {
bool doClone = true;
JS::Rooted<JS::Value> transferable(cx);
JS::Rooted<JSObject*> obj(cx, response.isObjectOrNull() ?
response.toObjectOrNull() : nullptr);
JS::Rooted<JSObject*> obj(cx, response.isObject() ?
&response.toObject() : nullptr);
if (obj && JS_IsArrayBufferObject(obj)) {
// Use cached response if the arraybuffer has been transfered.
if (mProxy->mArrayBufferResponseWasTransferred) {