- /* Assume mode_t promotes to int if and only if it is smaller.
- This assumption isn't guaranteed by the C standard, but we
- don't know of any real-world counterexamples. */
- mode = (sizeof (mode_t) < sizeof (int)
- ? va_arg (ap, int)
- : va_arg (ap, mode_t));
+ /* We have to use PROMOTED_MODE_T instead of mode_t, otherwise GCC 4
+ creates crashing code when 'mode_t' is smaller than 'int'. */
+ mode = va_arg (ap, PROMOTED_MODE_T);