https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87536
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2021-08-08 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- With -std=c++20 I get crash: <source>:3:6: warning: C++20 concept definition syntax is 'concept <name> = <expr>' 3 | bool concept X = X<T>; | ^~~~~~~ g++: internal compiler error: Segmentation fault signal terminated program cc1plus Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions. Compiler returned: 4