[Webkit-unassigned] [Bug 222815] New: [Big Sur arm64] testb3 crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222815

            Bug ID: 222815
           Summary: [Big Sur arm64] testb3 crashing
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com, ysuzuki at apple.com

Created attachment 422393

  --> https://bugs.webkit.org/attachment.cgi?id=422393&action=review

crash log

testb3 is crashing on the (new) Apple-BigSur-AppleSilicon-Release-JSC-Tests bot

Thread 3 Crashed:: testb3 thread
0   testb3                              0x0000000104d18df8 void checkDisassembly<checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*)>(JSC::Compilation&, checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*) const&, WTF::CString const&) (.cold.1) + 64 (testb3.h:244)
1   testb3                              0x0000000104d18df8 void checkDisassembly<checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*)>(JSC::Compilation&, checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*) const&, WTF::CString const&) (.cold.1) + 64 (testb3.h:243)
2   testb3                              0x0000000104bec098 void checkDisassembly<checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*)>(JSC::Compilation&, checkUsesInstruction(JSC::Compilation&, char const*)::'lambda'(char const*) const&, WTF::CString const&) + 168 (testb3.h:241)
3   testb3                              0x0000000104bc6924 checkUsesInstruction(JSC::Compilation&, char const*) + 164 (testb3.h:249)
4   testb3                              0x0000000104ccf6ac testMemoryFence() + 336 (testb3_6.cpp:2604)
5   testb3                              0x0000000104bb209c run(char const*)::$_553::operator()() const + 84 (testb3_1.cpp:751)
6   testb3                              0x0000000104bb2008 WTF::SharedTaskFunctor<void (), run(char const*)::$_553>::run() + 28 (SharedTask.h:91)
7   testb3                              0x0000000104bc51d8 run(char const*)::$_617::operator()() const + 296 (testb3_1.cpp:874)
8   testb3                              0x0000000104bc5018 WTF::Detail::CallableWrapper<run(char const*)::$_617, void>::call() + 28 (Function.h:52)
9   com.apple.JavaScriptCore            0x0000000105840808 operator() + 16 (Function.h:83) [inlined]
10  com.apple.JavaScriptCore            0x0000000105840808 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 136 (Threading.cpp:181)
11  com.apple.JavaScriptCore            0x0000000105842b30 WTF::wtfThreadEntryPoint(void*) + 12 (ThreadingPOSIX.cpp:241)
12  libsystem_pthread.dylib             0x000000019cd0e06c _pthread_start + 320
13  libsystem_pthread.dylib             0x000000019cd08da0 thread_start + 8

https://build.webkit.org/#/builders/102/builds/14

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