https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117557
--- Comment #13 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Richard Biener from comment #12) > (In reply to Richard Biener from comment #11) > > (In reply to Richard Biener from comment #6) > > > Today 502.gcc_r runfailed on me with > > > > > > gcc-pp.c: In function 'byte_store_op1': > > > gcc-pp.c:464991:1: benchmark internal error: in ?, at cfgloopmanip.c:1346 > > > The 502.gcc_r benchmark binary 'cpugcc_r' has encountered an internal > > > error. > > > > > > On a Zen5 machine with -Ofast -flto -march=znver5 (with -fgnu89-inline > > > -fpermissive) > > > > This also still remains, it works without -flto and I have not yet bisected > > it. > > Adding -fno-tree-vectorize doesn't fix it, so it's definitely a different > > issue. > > Ah, that's PR115256, 502.gcc_r now needs -fno-strict-aliasing. Yeah we've been running it on for every C benchmark due to perlbench needing it so likely why we didn't see that particular failure.
