https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123076
--- Comment #15 from John Paul Adrian Glaubitz <glaubitz at debian dot org> --- (In reply to Mikael Pettersson from comment #14) > (In reply to John Paul Adrian Glaubitz from comment #4) > > (In reply to John Paul Adrian Glaubitz from comment #3) > > > I can confirm that passing -fno-auto-inc-dec to GCC during build fixes > > > this > > > problem. > > > > > > I'll also test now whether the proposed patch from PR123853 fixes the > > > problem as well. > > > > The patch does not seem to help. It still gets stuck here: > > The patch does fix the CPython hang as far as I can tell. I built a cross > toolchain for m68k-linux-gnu, used that to cross-compile Python-3.14.5 for > m68k (Python defaulted to -O3), make install to a scratch area, transferred > the installation to m68k (Aranym VM), and continued the build there with the > compileall.py step. > > The compileall.py step gets quite far but then hangs deterministically. > > Applying my patch from > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123853#c18 to gcc before the > build fixes the hang for me, both with gcc-15.2.0 and with gcc-15.3.0. Could be related to Aranym vs. qemu-user which I use for my tests.
