[Bug c++/47964] logical || returns false result, optimization level 02 or 03

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47964

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-03 
10:17:45 UTC ---
bool foo (unsigned int a0)
{
  return a0 < 1000001U || ~a0 < 1000001U;
}

int
main ()
{
  __builtin_printf ("%d\n", (int) foo (1));
}

certainly prints one, not 0.