Issue in Go source found by prealloc in cmd/go/internal/work/gc.go

prealloc.go

func (gcToolchain) pack(b *Builder, a *Action, afile string, ofiles []string) error {
  var absOfiles []string
  for _, f := range ofiles {
    absOfiles = append(absOfiles, mkAbs(a.Objdir, f))
  }
  // ...
}