Under Linux/aarch64, when execute a function call with one arg is a struct, it
pass wrong arg to the function call.
a test code:
mmm.c
```c
#include <stdio.h>
struct vec {
float x;
float y;
};
void bug(float y, float x) {
printf("x=%f\ny=%f\n",x,y);
}
float dot(struct vec v) {
return 10.0;
}
void main() {
struct vec a;
a.x = 2.0;
a.y = 0.0;
bug(dot(a), dot(a));
}
```
The correct result is :
```
x=10.000000
y=10.000000
```
But linux/aarch64 tcc output a wrong result:
```
x=10.000000
y=2.000000
```
kbkp...@sina.com
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