https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109629
--- Comment #19 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Linus from comment #18) > By the way, same code didn't survive aarch64 gcc 9.3.1, but did survive X86 > gcc 9.3.1 -- devtoolset-9-gcc-9.3.1-2.el7.x86_64. > Do you have any clue about it? Yes it is a target specific issue. Again if you want a fix for these devtoolset, please talk with Redhat, we don't support them here.