1; Test that not specifying a stderr file isn't broken. 2RUN: unset AFL_DRIVER_STDERR_DUPLICATE_FILENAME 3RUN: AFLDriverTest 4 5; Test that specifying an invalid file causes a crash. 6RUN: ASAN_OPTIONS= AFL_DRIVER_STDERR_DUPLICATE_FILENAME="%T" not --crash AFLDriverTest 7 8; Test that a file is created when specified as the duplicate stderr. 9RUN: AFL_DRIVER_STDERR_DUPLICATE_FILENAME=%t AFLDriverTest 10RUN: stat %t 11