https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96429
--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> --- --- a/gcc/d/expr.cc +++ b/gcc/d/expr.cc @@ -620,6 +620,18 @@ public: break; case TOKdiv: + /* Determine if the div expression is a lowered pointer diff operation. + The front-end rewrites `(p1 - p2)' into `(p1 - p2) / stride'. */ + if (MinExp *me = e->e1->isMinExp ()) + { + if (me->e1->type->ty == Tpointer && me->e2->type->ty == Tpointer + && e->e2->op == TOKint64) + { + code = EXACT_DIV_EXPR; + break; + } + } + code = e->e1->type->isintegral () ? TRUNC_DIV_EXPR : RDIV_EXPR; break;