Add a patch to fix test-failures in some "exotic" locales (obtained from
ICU):
PR: 102629
Make sure to use not only "-O2", but also "-fno-strict-aliasing"
-- but only when using the "stock" cc/c++ as the newer gcc-4.x does not
seem to exhibit a problem. This seems to help the test-exposed
miscompilations.
PR: 103255