https://issues.dlang.org/show_bug.cgi?id=22926
--- Comment #5 from Walter Bright <bugzi...@digitalmars.com> --- (In reply to duser from comment #0) > struct S { int x, y; }; > char cs[ ((size_t)((char *)&((struct S *)0)->y - (char *)0)) ]; > > dmd v2.099.0: > Error: dereference of invalid pointer `cast(S*)0LU` > current git master: > Error: identifier or `(` expected This problem has been fixed. --