Bug 272797 – REGRESSION(277566@main): [Win] SHOULD NEVER BE REACHED in JSC::IPInt::initialize

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

[Fujii Hironori]

After 277566@main, WinCairo is crashing.

Buildbot: builder WinCairo-64-bit-Debug-Tests build 22344 : 277570@main
https://build.webkit.org/#/builders/727/builds/22344

https://build.webkit.org/results/WinCairo-64-bit-Debug-Tests/277570@main%20(22344)/animations/added-while-suspended-crash-log.txt

SHOULD NEVER BE REACHED
C:\BW\WinCairo-64-bit-Debug-Build\build\Source\JavaScriptCore\llint/InPlaceInterpreter.cpp(103) : initialize
1   00007FF902651CA9 WTFCrash
2   00007FF902652CC1 WTFCrashWithInfoImpl
3   00007FF8E5E78BA4 WTFCrashWithInfo<const char *>
4   00007FF8E5FB57A2 JSC::IPInt::initialize
5   00007FF8E635921F JSC::initialize::<lambda_0>::operator()
6   00007FF8E6359173 std::invoke<`lambda at C:\BW\WinCairo-64-bit-Debug-Build\build\Source\JavaScriptCore\runtime\InitializeThreading.cpp:73:30'>
7   00007FF8E634DE79 std::call_once<`lambda at C:\BW\WinCairo-64-bit-Debug-Build\build\Source\JavaScriptCore\runtime\InitializeThreading.cpp:73:30'>
8   00007FF8E634DDF4 JSC::initialize
9   00007FF8EB52FF2A WebKit::InitializeWebKit2
10  00007FF8EB53CEE0 API::Object::Object
11  00007FF8EB53D618 API::ObjectImpl<10>::ObjectImpl
12  00007FF8EB53CB0D API::Dictionary::Dictionary
13  00007FF8EB53CAD7 API::Dictionary::create
14  00007FF8EB53CA7E API::Dictionary::create
15  00007FF8EB54132D WKMutableDictionaryCreate
16  00007FF776A556C7 WTR::WebNotificationProvider::WebNotificationProvider
17  00007FF7769DCD56 WTR::TestController::TestController
18  00007FF776A69F5D main
19  00007FF776E48A84 __scrt_common_main_seh
20  00007FF903F24DE0 BaseThreadInitThunk
21  00007FF91541EC4B RtlUserThreadStart

[Fujii Hironori]

This can be worked around by setting a env var.

$env:JSC_useIPIntWrappers = 0

[Fujii Hironori]

Pull request: https://github.com/WebKit/WebKit/pull/27363

[EWS]

Committed 277592@main (6df4bb802507): <https://commits.webkit.org/277592@main>

Reviewed commits have been landed. Closing PR #27363 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/126601449>