if err := os.Mkdir(cdir, 0777); err != nil {
		t.Fatal(err)
	}

	c1, err := Open(cdir)
	if err != nil {
		t.Fatalf("Open(c1) (create): %v", err)
	}
	if err := c1.putIndexEntry(dummyID(1), dummyID(12), 13, true); err != nil {
		t.Fatalf("addIndexEntry: %v", err)
	}
	if err := c1.putIndexEntry(dummyID(1), dummyID(2), 3, true); err != nil { // overwrite entry
		t.Fatalf("addIndexEntry: %v", err)
	}

https://blog.jetbrains.com/kotlin/2018/01/kotlin-1-2-20-is-out/[You can opt into it] (which is recommended) by adding the following to build scripts:

====
include::sample[dir="snippets/buildCache/caching-android-projects/kotlin",files="build.gradle.kts[tags=cacheKapt]"]

		t = float64(int64(t)) // int64(t) = the multiple
		return ((x - t*PI1) - t*PI2) - t*PI3
	}
	// Must apply Payne-Hanek range reduction
	const (
		mask     = 0x7FF
		shift    = 64 - 11 - 1
		bias     = 1023
		fracMask = 1<<shift - 1
	)
	// Extract out the integer and exponent such that,
	// x = ix * 2 ** exp.
	ix := math.Float64bits(x)
	exp := int(ix>>shift&mask) - bias - shift
	ix &= fracMask

  // Multiple endpoints which use the same hostname should be considered
  // fungible (e.g. multiple A values in DNS). Must be lowercase and pass DNS
  // Label (RFC 1123) validation.
  // +optional
  optional string hostname = 3;

  // targetRef is a reference to a Kubernetes object that represents this
  // endpoint.
  // +optional

  Split p(root, 0, {{1}, {2}}, 2);
  auto c = Concat(root, {p[0], p[1]}, 0);
  TF_EXPECT_OK(root.status());
  Tensor out;
  test::GetTensor(root, c, &out);
  test::ExpectTensorEqual<int>(out, test::AsTensor<int>({1, 2}, {2, 1}));
}

TEST(CCOpTest, CompositeOp) {
  Scope root = Scope::NewRootScope();
  auto l = Linear(root.WithOpName("layer0"), {{10.0f, -3.0f}},
                  {{.8f, .5f}, {.1f, .6f}}, {-8.0f, 31.0f});

  // Multiple endpoints which use the same hostname should be considered
  // fungible (e.g. multiple A values in DNS). Must be lowercase and pass DNS
  // Label (RFC 1123) validation.
  // +optional
  optional string hostname = 3;

  // targetRef is a reference to a Kubernetes object that represents this
  // endpoint.
  // +optional

	"targetRef":          "targetRef is a reference to a Kubernetes object that represents this endpoint.",

//
// This is the in-order sequence of assigned and reserved numbers
// for the last example:
//   root     left     left      right       right       root
//  1 2e 3 | 4 5e 6 | 7 8x 9 | 10 11e 12 | 13 14x 15 | 16 17x 18

func (t SparseTree) numberBlock(b *Block, n int32) int32 {
	// reserve n for entry-1, assign n+1 to entry
	n++
	t[b.ID].entry = n
	// reserve n+1 for entry+1, n+2 is next free number
	n += 2

func bitOpOnMem(a []uint32, b, c, d uint32) {
	// amd64:`ANDL\s[$]200,\s\([A-Z][A-Z0-9]+\)`
	a[0] &= 200
	// amd64:`ORL\s[$]220,\s4\([A-Z][A-Z0-9]+\)`
	a[1] |= 220
	// amd64:`XORL\s[$]240,\s8\([A-Z][A-Z0-9]+\)`
	a[2] ^= 240
}

func bitcheckMostNegative(b uint8) bool {
	// amd64:"TESTB"
	return b&0x80 == 0x80
}

// Check AND masking on arm64 (Issue #19857)

	reset()

	ev := RegisterStringVar(testVar, "123", "")
	v, present := ev.Lookup()
	if v != "123" {
		t.Errorf("Expected 123, got %s", v)
	}
	if present {
		t.Errorf("Expected not present")
	}

	v = ev.Get()
	if v != "123" {
		t.Errorf("Expected 123, got %s", v)
	}

	_ = os.Setenv(testVar, "ABC")

	ev = RegisterStringVar(testVar, "123", "")
	v, present = ev.Lookup()
	if v != "ABC" {