[libcxx-commits] [libcxx] [libc++] Fix UB in <expected> related to "has value" flag (#68552) (PR #68733)

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@@ -43,6 +60,28 @@ constexpr bool test() {
     assert(!e.has_value());
   }
 
+  // See https://github.com/llvm/llvm-project/issues/68552
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philnik777 wrote:

Please add a short description.

https://github.com/llvm/llvm-project/pull/68733