http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61047
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ebotcazou at gcc dot gnu.org --- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > Note how the load at insn 28 is guarded by comparing ax against #2837. CE3 > transforms that into an unconditional load and we blow up reading the > out-of-range stack slot. > > This isn't a threading issue, but a latent bug in CE as far as I can tell. Right, see PR rtl-optimization/60452 for an earlier example. IMO a pretty useless series of artificial testcases...