https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117557
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> --- (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.
