// then this code is dead. Stop here.
	if s.curBlock == nil && n.Op() != ir.OLABEL {
		return
	}

	s.stmtList(n.Init())
	switch n.Op() {

	case ir.OBLOCK:
		n := n.(*ir.BlockStmt)
		s.stmtList(n.List)

	case ir.OFALL: // no-op

	// Expression statements
	case ir.OCALLFUNC:
		n := n.(*ir.CallExpr)
		if ir.IsIntrinsicCall(n) {
			s.intrinsicCall(n)
			return