>msan requires rebuilding the standard library or something Yes, which is a PITA. But even then, macOS is not supported anyway: https://clang.llvm.org/docs/M

>msan requires rebuilding the standard library or something Yes, which is a PITA. But even then, macOS is not supported anyway: https://clang.llvm.org/docs/MemorySanitizer.html#supported-platforms https://clang.llvm.org/docs/MemorySanitizer.html#supported-p...