make LIBCLANGLLVM=1 CXXFLAGS+=-Wno-class-memaccess EXTRA_CXXFLAGS+=-Wno-class-memaccess ARCH= EXTRA_CFLAGS=-fno-omit-frame-pointer -fsanitize=undefined -fsanitize=address -C /usr/src/perf_selftests-x86_64-rhel-8.3-func-1ad71a2c51006c6046473a7ff54dd627bd96968f/tools/perf