https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121223
--- Comment #1 from chenglulu <chenglulu at loongson dot cn> --- The reason for the failure to compile final.cc is that LoongArch defines the macro as follows: ``` #define CASE_VECTOR_SHORTEN_MODE(MIN, MAX, BODY) Pmode ``` This error occurs because MIN and MAX are not used in the implementation of this macro. But I think this macro does not need to be defined on the LoongArch.