[Bug ipa/88900] [9 Regression] 502.gcc_r SPEC benchmark miscompiles with LTO and PGO

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88900

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|needs-reduction             |

--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
Ok, compiled binary differs in spec_qsort. That's a known problem and we should
use -fno-strict-aliasing. As mentioned here:
https://www.spec.org/cpu2017/Docs/benchmarks/502.gcc_r.html

I'm testing that..