Interesting things happen when blindly swapping the release-build CCFLAGS with the debug-build commented-out CCFLAGS. None of these things that happen are good. Signed-off-by: Zygo Blaxell <bees@furryterror.org>
Also update the tests to insist that off_t be at least 64 bits wide.
Signed-off-by: Paul Jones <paul@pauljones.id.au>