================ @@ -0,0 +1,31 @@ +// RUN: %clangxx -std=c++20 -fsanitize=realtime %s -o %t ---------------- fmayer wrote: Ah, hmm, yes that makes sense, you are right. That means the lib(std)c++ it uses is too old. https://github.com/llvm/llvm-project/pull/111049