http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60411
--- Comment #18 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > In the end, there were 6 failures. It appears that the ARM unwinder isn't > quite right yet. After 2314 passes, the six ACATS failures were: > > C52103x > C52104x > C52104y > c74004a (hung) > cb1010c > cb1010d It's not the ARM unwinder, it's the stack checking, see: http://gcc.gnu.org/ml/gcc-patches/2013-06/msg01421.html