[Bug target/52555] [4.6/4.7/4.8 Regression] ICE unrecognizable insn with -ffast-math and __attribute__((optimize(xx)))

[aldyh at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52555

--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> 2013-02-07 23:24:42 UTC ---
Further reduced testcase, reproducible on both C and C++:

float farg;
unsigned val;

void __attribute__((optimize("O")))
test()
{
  val = __builtin_ceilf(farg);
}