in fuzzing/engines/libfuzzer_stub.cc [20:27]
int main(int argc, char** argv) {
fprintf(stderr, "*** ERROR *** This is a stub *** ERROR ***\n");
fprintf(stderr,
" * You have attempted to build a libFuzzer fuzz test, but did not "
"link in the fuzzing engine.\n");
fprintf(stderr, " * Use the '-fsanitize=fuzzer' linker option instead.\n");
abort();
}