int hashString_4(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += Objects.hashCode(S0, S1, S2, S3);
    }
    return dummy;
  }

  @Benchmark
  int hashString_5(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += Objects.hashCode(S0, S1, S2, S3, S4);
    }
    return dummy;
  }

  @Benchmark
  int hashMixed_5(int reps) {
    int dummy = 0;

    }
  }

  @Benchmark
  int pow(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += LongMath.pow(positive[j], exponents[j]);
    }
    return tmp;
  }

  @Benchmark
  int mod(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += LongMath.mod(longs[j], positive[j]);

  @Benchmark
  int joinerWithStringDelimiter(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy ^= JOINER_ON_STRING.join(components).length();
    }
    return dummy;
  }

  /** {@link Joiner} with a character delimiter. */
  @Benchmark
  int joinerWithCharacterDelimiter(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {

		// Keep rev as is: tags are assumed not to change meaning.
	} else if refs["refs/heads/"+rev] != "" {
		ref = "refs/heads/" + rev
		hash = refs[ref]
		rev = hash // Replace rev, because meaning of refs/heads/foo can change.
	} else if rev == "HEAD" && refs["HEAD"] != "" {
		ref = "HEAD"
		hash = refs[ref]
		rev = hash // Replace rev, because meaning of HEAD can change.
	} else if len(rev) >= minHashDigits && len(rev) <= 40 && AllHex(rev) {

    }
  }

  @Benchmark
  int log2(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += BigIntegerMath.log2(positive[j], mode);
    }
    return tmp;
  }

  @Benchmark
  int log10(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
c3ee5d0dfbb9bf3c4d8bb2bce24cd8d14d2d4238 refs/heads/master
2b7c4692e12c109263cab51b416fcc835ddd7eae refs/tags/sub/v0.0.10
883885166298d79a0561d571a3044ec5db2e7c28 refs/tags/sub/v0.0.9
db89fc573cfb939faf0aa0660671eb4cf8b8b673 refs/tags/v0.1.0
1abe41965749e50828dd41de8d12c6ebc8e4e131 refs/tags/v0.2.0
-- sub/go.mod --

git checkout master
git merge b -m 'merge'

git show-ref --tags --heads
cmp stdout .git-refs

-- .git-refs --
59356c8cd18c5fe9a598167d98a6843e52d57952 refs/heads/b
c7818c24fa2f3f714c67d0a6d3e411c85a518d1f refs/heads/master
101c49f5af1b2466332158058cf5f03c8cca6429 refs/tags/v0.2.1
59356c8cd18c5fe9a598167d98a6843e52d57952 refs/tags/v0.2.2
-- go.mod --
module vcs-test.golang.org/git/tagtests.git
-- tagtests.go --

	*LockedFile
	mutex sync.Mutex
	refs  int // Holds read lock refs.
}

// IsClosed - Check if the rlocked file is already closed.
func (r *RLockedFile) IsClosed() bool {
	r.mutex.Lock()
	defer r.mutex.Unlock()
	return r.refs == 0
}

// IncLockRef - is used by called to indicate lock refs.
func (r *RLockedFile) IncLockRef() {
	r.mutex.Lock()
	r.refs++
	r.mutex.Unlock()
}

  int copyArrayList(int reps) {
    int size = this.size;
    int dummy = 0;
    for (int rep = 0; rep < reps; rep++) {
      List<Object> builder = Lists.newArrayList();
      for (int i = 0; i < size; i++) {
        builder.add(OBJECT);
      }
      dummy += ImmutableList.copyOf(builder).size();
    }
    return dummy;
  }

  @Benchmark
  int copyPreSizedArrayList(int reps) {
    int size = this.size;
    int tmp = 0;

}

// PtraceSetRegsMipsle sets the registers used by mipsle binaries.
func PtraceSetRegsMipsle(pid int, regs *PtraceRegsMipsle) error {
	return ptracePtr(PTRACE_SETREGS, pid, 0, unsafe.Pointer(regs))
}

// PtraceRegsMips64le is the registers used by mips64le binaries.
type PtraceRegsMips64le struct {
	Regs     [32]uint64
	Lo       uint64
	Hi       uint64
	Epc      uint64
	Badvaddr uint64
	Status   uint64