defertype = "stack-allocated"
			} else {
				defertype = "heap-allocated"
			}
			base.WarnfAt(n.Pos(), "%s defer", defertype)
		}
		if s.hasOpenDefers {
			s.openDeferRecord(n.Call.(*ir.CallExpr))
		} else {
			d := callDefer
			if n.Esc() == ir.EscNever && n.DeferAt == nil {
				d = callDeferStack
			}
			s.call(n.Call.(*ir.CallExpr), d, false, n.DeferAt)
		}