niw

https://forums.swift.org/t/swift-5-5-has-serious-stack-corruption-bugs/52344

もうすぐ修正(回避)されるみたいですね https://github.com/apple/llvm-project/pull/3314

The actual bug appears to have been introduced in July 2020 15 in LLVM's coroutine handling, so it's gone undiagnosed for more than a year despite LLVM coroutines being in use for a number of different features (e.g., C++20 coroutines in Clang, async functions in Swift).

https://forums.swift.org/t/swift-5-5-has-serious-stack-corruption-bugs/52344/27 (edited)