[Webkit-unassigned] [Bug 225534] [ BigSur Debug wk2 ARM64 ] imported/w3c/web-platform-tests/webrtc-encoded-transform/sframe-transform-readable.html is flaky crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225534

--- Comment #5 from youenn fablet <youennf at gmail.com> ---
We are hitting @assert(@readableStreamDefaultControllerCanCloseOrEnqueue(controller));

07:01:32.558 2397   ASSERTION FAILED: JS assertion failed at line 1 in:
07:01:32.558 2397   function (controller, chunk)
07:01:32.559 2397   {
07:01:32.559 2397       "use strict";
07:01:32.559 2397   
07:01:32.559 2397       const stream = @getByIdDirectPrivate(controller, "controlledReadableStream");
07:01:32.559 2397       @assert(@readableStreamDefaultControllerCanCloseOrEnqueue(controller));
07:01:32.559 2397   
07:01:32.559 2397       if (@isReadableStreamLocked(stream) && @getByIdDirectPrivate(@getByIdDirectPrivate(stream, "reader"), "readRequests").length) {
07:01:32.559 2397           @readableStreamFulfillReadRequest(stream, chunk, false);
07:01:32.559 2397           @readableStreamDefaultControllerCallPullIfNeeded(controller);
07:01:32.559 2397           return;
07:01:32.559 2397       }
07:01:32.559 2397   
07:01:32.559 2397       try {
07:01:32.559 2397           let chunkSize = 1;
07:01:32.559 2397           if (@getByIdDirectPrivate(controller, "strategy").size !== @undefined)
07:01:32.559 2397               chunkSize = @getByIdDirectPrivate(controller, "strategy").size(chunk);
07:01:32.559 2397           @enqueueValueWithSize(@getByIdDirectPrivate(controller, "queue"), chunk, chunkSize);
07:01:32.559 2397       }
07:01:32.559 2397       catch(error) {
07:01:32.559 2397           @readableStreamDefaultControllerError(controller, error);
07:01:32.559 2397           throw error;
07:01:32.559 2397       }
07:01:32.559 2397       @readableStreamDefaultControllerCallPullIfNeeded(controller);
07:01:32.559 2397   }
07:01:32.559 2397

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