[libcxx-commits] [libcxx] [libc++] std::atomic primary template should not have a `difference_type` member type (PR #123236)

[Damien L-G via libcxx-commits]

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@@ -17,6 +17,9 @@
 //     typedef T value_type;
 // };
 
+// atomic still has a difference_type in the C++03 frozen headers
+// XFAIL: FROZEN-CXX03-HEADERS-FIXME
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dalg24 wrote:

Thanks for helping with the CI.
Do you know why we test with C++03 in the first place?  `std::atomic` was introduced in C++11

https://github.com/llvm/llvm-project/pull/123236