https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120870
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Sam James from comment #19) > (In reply to Sam James from comment #18) > > (In reply to H.J. Lu from comment #17) > > > Created attachment 61837 [details] > > > A patch > > > > > > Please try this. No idea why it works for me. > > > > `./configure --with-tail-call-interp CFLAGS="-O2 -march=znver2 -ggdb3"` > > works for me with that patch on trunk. > > Your 15 backport patch for preserve_none fails both with and without your > tuning patch, though. > Does it fail only with -march=znver2? It may be a latent bug.
