RESOLVED DUPLICATE of bug 292111292110
REGRESSION ( 294024@main): [ MacOS iOS WK2 Debug ] ASSERTION FAILED: bytecodeCanIgnoreNegativeZero(node->arithNodeFlags()) 
https://bugs.webkit.org/show_bug.cgi?id=292110
Summary REGRESSION ( 294024@main): [ MacOS iOS WK2 Debug ] ASSERTION FAILED: byteco...
Jay Stfleur
Reported 2025-04-26 17:22:53 PDT
Description: imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.html?av1 imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.html?h264_annexb imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.html?h264_avc imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.html?vp8 imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.html?vp9_p0 imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.worker.html?av1 imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.worker.html?h264_annexb imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.worker.html?h264_avc imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.worker.html?vp8 imported/w3c/web-platform-tests/webcodecs/video-encoder-rescaling.https.any.worker.html?vp9_p0 Tests are failing on MacOS and iOS Wk2 Debug with assertion bytecodeCanIgnoreNegativeZero(node->arithNodeFlags()) which is checking that the code generator can safely ignore -0 values in math operations, changes were introduced on 294024@main Buildbot URL: https://build.webkit.org/#/builders/1228/builds/1294 History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.html%3Fav1&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.html%3Fh264_annexb&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.html%3Fh264_avc&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.html%3Fvp8&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.html%3Fvp9_p0&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.worker.html%3Fav1&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.worker.html%3Fh264_annexb&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.worker.html%3Fh264_avc&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.worker.html%3Fvp8&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Fvideo-encoder-rescaling.https.any.worker.html%3Fvp9_p0&style=debug&platform=ios&platform=mac Diff/Image Diff/Crash Log: stderr: ASSERTION FAILED: bytecodeCanIgnoreNegativeZero(node->arithNodeFlags()) /Volumes/Data/worker/Apple-Sequoia-Debug-Build/build/Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp(3523) : void JSC::DFG::SpeculativeJIT::compile(Node *) 1 0x4c350598f JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) 2 0x4c329cd72 JSC::DFG::SpeculativeJIT::compileCurrentBlock() 3 0x4c328a09b JSC::DFG::SpeculativeJIT::compileBody() 4 0x4c328b294 JSC::DFG::SpeculativeJIT::compileFunction() 5 0x4c47f9781 JSC::DFG::Plan::compileInThreadImpl() 6 0x4c4d74752 JSC::JITPlan::compileInThread(JSC::JITWorklistThread*) 7 0x4c4dd6cdb JSC::JITWorklistThread::work() 8 0x4c2fcc07b WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0::operator()() const 9 0x4c2fcbc39 WTF::Detail::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0, void>::call() 10 0x4c2fe9227 WTF::Function<void ()>::operator()() const 11 0x4c320a823 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) 12 0x4c3216975 WTF::wtfThreadEntryPoint(void*) 13 0x7ff80ab52253 _pthread_start 14 0x7ff80ab4dbef thread_start com.apple.WebKit.WebContent.Development terminated (pid 38169) for reason: crash LEAK: 1 WebPageProxy
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Add attachment proposed patch, testcase, etc.
Alexey Proskuryakov
Comment 1 2025-04-28 09:47:59 PDT
*** This bug has been marked as a duplicate of bug 292111 ***
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