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triplef
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@triplef triplef commented Dec 10, 2021

Caused by __builtin_arm_wfe() sometimes causing a SIGILL.

For details please see https://bugs.swift.org/browse/SR-15166.

@finagolfin
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@etcwilde, would you review?

@rokhinip rokhinip self-requested a review December 10, 2021 21:11
The WFE instruction can sometimes cause a SIGILL on these devices, so we use YIELD instead.

https://bugs.swift.org/browse/SR-15166
@triplef triplef force-pushed the fix-dispatch_wait_for_enqueuer branch from 6ffcc3a to 6f715aa Compare December 22, 2021 12:56
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@swift-ci please test

@rokhinip rokhinip merged commit 3e7c798 into swiftlang:main Feb 21, 2022
@triplef triplef deleted the fix-dispatch_wait_for_enqueuer branch February 21, 2022 16:08
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4 participants