[libcxx-commits] [libcxx] [libc++] Fix flakiness in `atomic_notify_all.pass.cpp` (PR #70436)

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@@ -56,15 +56,21 @@ struct TestFn {
     {
       volatile A a(T(2));
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huixie90 wrote:

The test point above this test is still relying on sleep to be long enough. (The first assertion could still fail if the test thread started really slowly)

https://github.com/llvm/llvm-project/pull/70436