https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100340
--- Comment #30 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Kirill A. Korinsky from comment #29) > To synchronise things. > > The same issue is appears on Yosemite (10.10) on MacPort's build bots on > gcc10-bootstrap port with backported Iain's patch to as: > - > https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/180787 > - https://trac.macports.org/ticket/65033 this ^ seems to 404 for me. I am slightly confused - are you saying that someone is using Xcode 12.5 on Yosemite? (I would be amazed if that was a supported configuration). NOTE: there are still back ports queued for GCC-10 (which would appear in 10.4).