[libcxx-commits] [libcxx] [libc++] Floating Point Atomic (PR #67799)

[via libcxx-commits]

androm3da wrote:

> These tests are hanging on my Gentoo amd64 machine:
> 
> ```
>   llvm-libc++-shared.cfg.in :: std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
>   llvm-libc++-shared.cfg.in :: std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
>   llvm-libc++-shared.cfg.in :: std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
>   llvm-libc++-shared.cfg.in :: std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
> ```
> 
> I've killed them after they were running at 100% CPU utilization for over 20 minutes.

Can you get a stacktrace in the deadlock condition @mgorny ?

https://github.com/llvm/llvm-project/pull/67799