[libcxx-commits] [libcxxabi] [libc++abi] Revert gating of `__cxa_thread_atexit` on Linux||Fuchsia (PR #186054)

[via libcxx-commits]

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@@ -106,7 +106,6 @@ namespace {
 
 #endif // HAVE___CXA_THREAD_ATEXIT_IMPL
 
-#if defined(__linux__) || defined(__Fuchsia__)
 extern "C" {
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whitequark wrote:

Done

https://github.com/llvm/llvm-project/pull/186054