}
			hookArgs = append(hookArgs, fakePC(n))
			init.Append(mkcall(hook.runtimeFunc, nil, init, hookArgs...))
		}
	}
}

// walkDivMod walks an ODIV or OMOD node.
func walkDivMod(n *ir.BinaryExpr, init *ir.Nodes) ir.Node {
	n.X = walkExpr(n.X, init)
	n.Y = walkExpr(n.Y, init)

	// rewrite complex div into function call.
	et := n.X.Type().Kind()