SPECIAL_SHR_ASSIGN
expr->op == SPECIAL_SHL_ASSIGN || expr->op == SPECIAL_SHR_ASSIGN)
if (expr->op != SPECIAL_SHR_ASSIGN)
} else if (op == SPECIAL_SHR_ASSIGN || op == SPECIAL_SHL_ASSIGN) {
case SPECIAL_SHR_ASSIGN:
SPECIAL_SHR_ASSIGN, SPECIAL_AND_ASSIGN,
[SPECIAL_SHR_ASSIGN - SPECIAL_BASE] = OP_LSR,
case SPECIAL_SHR_ASSIGN:
case SPECIAL_SHR_ASSIGN:
case SPECIAL_SHR_ASSIGN: