https://issues.dlang.org/show_bug.cgi?id=23583
Walter Bright <bugzi...@digitalmars.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bugzi...@digitalmars.com --- Comment #1 from Walter Bright <bugzi...@digitalmars.com> --- The Mac headers have this: #if __has_builtin(__builtin___memmove_chk) || defined(__GNUC__) #undef memmove #define memmove(dest, src, len) \ __builtin___memmove_chk (dest, src, len, __darwin_obsz0 (dest)) #endif meaning https://github.com/dlang/dmd/pull/14799 ought to fix it. --