https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100057
--- Comment #16 from cqwrteur <unlvsur at live dot com> --- d:\cross_toolchains\x86_64-elf\x86_64-elf\include\c++\11.0.1\bit:37:10: fatal error: ext/numeric_traits.h: No such file or directory 37 | #include <ext/numeric_traits.h> | ^~~~~~~~~~~~~~~~~~~~~~ compilation terminated. #include<bit> int main(); This is wrong