修改QAC问题

See merge request ty/tianying_ty100!82

在赋值时，“本质上无符号 ”类型 (%1s) 的非常数表达式被转换为较窄的无符号类型“%2s”。

在赋值时，“本质上无符号 ”类型 (%1s) 的常量表达式被转换为较窄的无符号类型“%2s”。

🐞 fix:58596     4461. A non-constant expression of 'essentially unsigned' type (%1s) is being converted to narrower unsigned type, '%2s' on assignment.

🐞 fix:58600   4464 A constant expression of 'essentially unsigned' type (%1s) is being converted to narrower unsigned type, '%2s' on assignment.

feat：改赋值位置

See merge request ty/tianying_ty100!81

Lijianshuang

See merge request ty/tianying_ty100!80