http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53986
--- Comment #2 from vries at gcc dot gnu.org 2012-07-23 06:29:51 UTC --- > Btw, if the switch is not converted to a bit-test the path to link_error is > also not removed by vrp, because it doesn't handle anti-ranges for switches submitted patch for this: http://gcc.gnu.org/ml/gcc-patches/2012-07/msg01056.html