https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125258
--- Comment #5 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Sam James from comment #4) > (In reply to Tamar Christina from comment #3) > > I get this with just "normal" > > > > -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -flto=auto > > -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection > > -mbranch-protection=standard > > > > will try to reduce a testcase. > > Note that this error is quite common with build systems that aren't parallel > build-safe, so they trample on files already written, then GCC can't read > them back. Ah that could explain it. This is happening when building a distro package.
