[Bug tree-optimization/122021] [16 regression] libvpx miscompiled with -m32 since r16-3890

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122021

--- Comment #6 from Sam James <sjames at gcc dot gnu.org> ---
```
#include <stddef.h>
#include <stdint.h>

__attribute__ ((noipa)) static void
vp9_build_inter_predictor (int a)
{
  int16_t row = a * 2;
  int32_t row_w = (int)((int64_t)row * 16384 >> 14);

  if (row_w != -544)
    __builtin_abort ();
}

int
main ()
{
  vp9_build_inter_predictor (-272);
}
```