thetruestblue wrote: It looks like this broke a job in iOS CI: https://ci.swift.org/job/llvm.org/job/clang-san-iossim/9785/testReport/junit/ThreadSanitizer-x86_64-iossim/ThreadSanitizer-x86_64-iossim/munmap_clear_shadow_c/ https://github.com/llvm/llvm-project/pull/144648