https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64443
--- Comment #5 from Tejas Belagod <belagod at gcc dot gnu.org> --- (In reply to Tejas Belagod from comment #3) > (In reply to Andrew Pinski from comment #1) > > >This commit seems to be breaking libstdc++-v3 runs on AArch64. > > > > Is this under Linux or with newlib? > > newlib. When run on a fast-model(simulator) they fail by raising an > exception. I'll post more info on the kind of exception rasied when I've > investigated a bit more... It is a memory fault. Looks like an invalid memory read. So, similar to PR64368, I guess.