[Bug target/97086] aix: ceilf and truncf do not preserve the sign bit when output is rounded to 0

[mfarazma.ext at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97086

--- Comment #3 from m farazma <mfarazma.ext at gmail dot com> ---
Sorry the above example needs to be changed to this in order to reproduce the
bug:

```
#include <iostream>
#include <math.h>

int main(){
 float a = -0.0;
 std::cout << nearbyintf(a) << std::endl;
 return 0;
}
```