[libcxx-commits] [libcxx] [libc++] Make `std::lock_guard` available with `_LIBCPP_HAS_NO_THREADS` (PR #98717)

[Louis Dionne via libcxx-commits]

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@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: no-threads
----------------
ldionne wrote:

We can lift this `UNSUPPORTED` by defining our own mutex-like class. Also, while we're at it this test should be a `.compile.pass.cpp` and it should test `static_assert(!std::is_copy_assignable<std::lock_guard<MyMutexType>>::value, "");`.

https://github.com/llvm/llvm-project/pull/98717