}

func BenchmarkBitset(b *testing.B) {
	z := new(Int)
	z.SetBit(z, 512, 1)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 1)
	}
}

func BenchmarkBitsetNeg(b *testing.B) {
	z := NewInt(-1)
	z.SetBit(z, 512, 0)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 0)
	}
}

func BenchmarkBitsetOrig(b *testing.B) {
	z := new(Int)

	// in which case there is a subproblem-sized middle of sa that
	// we can reuse for temporary space (saTmp).
	// When recurse_64 is called from sais_8_64, oldTmp is length 512
	// (from text_64), and saTmp will typically be much larger, so we'll use saTmp.
	// When deeper recursions come back to recurse_64, now oldTmp is
	// the saTmp from the top-most recursion, it is typically larger than

				xremove(exe)
			}
			xremove(exe + ".exe")
		case !d.IsDir() && strings.HasPrefix(d.Name(), "z"):
			// Remove generated file, identified by marker string.
			head := make([]byte, 512)
			if f, err := os.Open(path); err == nil {
				io.ReadFull(f, head)
				f.Close()
			}
			if bytes.HasPrefix(head, generated) {
				xremove(path)
			}
		}
		return nil
	})

		goto Error

	case *ast.BasicLit:
		switch e.Kind {
		case token.INT, token.FLOAT, token.IMAG:
			check.langCompat(e)
			// The max. mantissa precision for untyped numeric values
			// is 512 bits, or 4048 bits for each of the two integer
			// parts of a fraction for floating-point numbers that are
			// represented accurately in the go/constant package.
			// Constant literals that are longer than this many bits

```
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.ReflectUtils$2 (file:/.../testng-5.12.1.jar) to <method>
WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.ReflectUtils$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

// MountSetattr is a wrapper for mount_setattr(2).
// https://man7.org/linux/man-pages/man2/mount_setattr.2.html
//
// Requires kernel >= 5.12.
func MountSetattr(dirfd int, pathname string, flags uint, attr *MountAttr) error {
	return mountSetattr(dirfd, pathname, flags, attr, unsafe.Sizeof(*attr))
}