https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108099
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |11.3.0 Target Milestone|--- |11.4 Known to fail| |12.1.0 Summary|ICE with type alias with |[12/13 Regression] ICE with |`signed __int128_t` |type alias with `signed | |__int128_t` --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The ICE is a regression from GCC 11 where we accepted the code with a pedwarn: <source>:1:14: warning: 'signed' specified with '__int128' [-Wpedantic] 1 | using i128 = signed __int128_t; | ^~~~~~