Backed out changeset 2a3a7c533bc0 (bug 1501502) for spidermonkey bustages on non262/ReadableStream/bug-1501502.js CLOSED TREE

js/src/builtin/Stream.cpp

@@ -1487,14 +1487,7 @@ ReadableStreamErrorInternal(JSContext* cx, Handle<ReadableStream*> stream, Handl
     stream->setErrored();
 
     // Step 4: Set stream.[[storedError]] to e.
-    {
-        AutoRealm ar(cx, stream);
-        RootedValue wrappedError(cx, e);
-        if (!cx->compartment()->wrap(cx, &wrappedError)) {
-            return false;
-        }
-        stream->setStoredError(wrappedError);
-    }
+    stream->setStoredError(e);
 
     // Step 6: If reader is undefined, return (reordered).
     if (!stream->hasReader()) {

js/src/tests/non262/ReadableStream/bug-1501502.js

@@ -1,20 +0,0 @@
-// A stream can become errored with an exception from another realm.
-
-let g = newGlobal();
-let g_enqueue;
-new g.ReadableStream({
-    start(controller) {
-        g_enqueue = controller.enqueue;
-    },
-});
-
-let controller;
-let stream = new ReadableStream({
-    start(c) {
-        controller = c;
-    }
-}, {
-    size(chunk) {}
-});
-
-assertThrowsInstanceOf(() => g_enqueue.call(controller, {}), g.RangeError);