https://issues.dlang.org/show_bug.cgi?id=24811
--- Comment #2 from barbosso <[email protected]> --- SDL3 with callbacks also cant compile How to reproduce //SDL3.c #define __GNUC__ 8 #define SDL_MAIN_USE_CALLBACKS 1 /* use the callbacks instead of main$ #include <SDL3/SDL.h> #include <SDL3/SDL_main.h> // clang -c SDL3.c # compile OK ldc -c SDL3.c # compile ERRORS /usr/include/SDL3/SDL_stdinc.h(4294): Error: undefined identifier `__builtin_mul_overflow` /usr/include/SDL3/SDL_stdinc.h(4332): Error: undefined identifier `__builtin_add_overflow` /usr/include/SDL3/SDL_bits.h(79): Error: undefined identifier `__builtin_clz` --
