The sanitizers are not incompatible with optimizations. asan with -O2 is a perfectly valid & useful combination. It's much faster than valgrind or anything like

The sanitizers are not incompatible with optimizations. asan with -O2 is a perfectly valid & useful combination. It's much faster than valgrind or anything like that, very usable levels of performance. And on an increasingly common number of CPUs there's hardware acceleration for ASAN as well ( https://clang.llvm.org/docs/HardwareAssistedAddressSanitizerDesign.html https://clang.llvm.org/docs/HardwareAssistedAddressSanitizer... & https://source.android.com/docs/security/test/hwasan https://source.android.com/docs/security/test/hwasan )