https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87214
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to rguent...@suse.de from comment #7) > On Thu, 24 Jan 2019, marxin at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87214 > > > > Martin Liška <marxin at gcc dot gnu.org> changed: > > > > What |Removed |Added > > ---------------------------------------------------------------------------- > > Status|RESOLVED |ASSIGNED > > Resolution|INVALID |--- > > Assignee|rsandifo at gcc dot gnu.org |marxin at gcc dot > > gnu.org > > > > --- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> --- > > Well, omnetpp_r has no known portability issues: > > https://www.spec.org/cpu2017/Docs/benchmarks/520.omnetpp_r.html > > > > So that I would like to know what violates the aliasing. Let me debug that.. > > A lot of benchmarks end up using spec_qsort... Ah, yes, I overlooked that as the file has a different suffix: ./benchspec/CPU/520.omnetpp_r/src/simulator/spec_qsort.cc So let me test it with fixed qsort function.