Bug 284514 – ASSERTION FAILED: regs.contains(reg) in JSC::B3::Air::Code::pinRegister(JSC::Reg)

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Fujii Hironori]

ASSERTION FAILED: regs.contains(reg) in JSC::B3::Air::Code::pinRegister(JSC::Reg)

History:
  https://results.webkit.org/?suite=javascriptcore-tests&test=testair&style=debug

ASSERTION FAILED: regs.contains(reg)
./b3/air/AirCode.cpp(164) : void JSC::B3::Air::Code::pinRegister(JSC::Reg)
1   0x115742300 JSC::B3::Air::Code::pinRegister(JSC::Reg)
2   0x1003e98dc (anonymous namespace)::testRotateFringeClobber()
3   0x1003e8b24 (anonymous namespace)::run(char const*)::$_28::operator()() const
4   0x1003e8ab8 WTF::SharedTaskFunctor<void (), (anonymous namespace)::run(char const*)::$_28>::run()
5   0x10044adf8 (anonymous namespace)::run(char const*)::$_67::operator()() const
6   0x10044acb4 WTF::Detail::CallableWrapper<(anonymous namespace)::run(char const*)::$_67, void>::call()
7   0x114afa768 WTF::Function<void ()>::operator()() const
8   0x114c3c1b8 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*)
9   0x114c4887c WTF::wtfThreadEntryPoint(void*)
10  0x19a5ebfa8 _pthread_start
11  0x19a5e6da0 thread_start
testair completed with rc=5 (254)

[Fujii Hironori]

287137@main : last good
287147@main : first bad

https://github.com/WebKit/WebKit/compare/c077ba3cb140797d981cd48e3c37f4e55e9efcaf...842d24a827ff7ba2e3ecdcbe6665b0a826d5c4e6

287139@main seems to be the culprit.

[Justin Michaud]

Pull request: https://github.com/WebKit/WebKit/pull/37856

[EWS]

Committed 287771@main (fa906c0740fd): <https://commits.webkit.org/287771@main>

Reviewed commits have been landed. Closing PR #37856 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/141402841>