Yes, it is specified to macOS. I belive that it is specified to update of xcode that was somewhere at the end of December. -- wbr, Kirill > On 14. Jan 2021, at 04:32, Eli Zaretskii wrote: > >> Date: Thu, 14 Jan 2021 03:19:15 +0100 >> Cc: 45817@debbugs.gnu.org >> From: "Kirill A. Korinsky" via "Bug reports for GNU Emacs, >> the Swiss army knife of text editors" >> >> I'd like to confirm that it isn't a emacs bug. >> >> After reinstall from sources gcc10 an issue disappeared. >> >> Link to mackport related issue: https://trac.macports.org/ticket/61896 > > Is this specific to macOS? > > In any case, if it's known that specific versions of GCC cause > problems on specific platforms, we should reject those versions (for > the libgccjit usage purposes) in configure, I think.