return
	}
	// Self-check: Verify that the instrumented basic blocks are disjoint.
	t := make([]block1, len(f.blocks))
	for i := range f.blocks {
		t[i].Block = f.blocks[i]
		t[i].index = i
	}
	sort.Sort(blockSlice(t))
	for i := 1; i < len(t); i++ {
		if t[i-1].endByte > t[i].startByte {
			fmt.Fprintf(os.Stderr, "cover: internal error: block %d overlaps block %d\n", t[i-1].index, t[i].index)

	b1 = block & 0x0f0f00000f0f0000
	b2 = block & 0x0000f0f00000f0f0
	block ^= b1 ^ b2 ^ b1>>12 ^ b2<<12

	b1 = block >> 32 & 0xff00ff
	b2 = (block & 0xff00ff00)
	block ^= b1<<32 ^ b2 ^ b1<<8 ^ b2<<24

	b1 = block >> 48
	b2 = block << 48
	block ^= b1 ^ b2 ^ b1<<48 ^ b2>>48
	return block
}

// creates 16 28-bit blocks rotated according
// to the rotation schedule.

// for the new value. The index must refer to a valid control value.
func (b *Block) ReplaceControl(i int, v *Value) {
	b.Controls[i].Uses--
	b.Controls[i] = v
	v.Uses++
}

// CopyControls replaces the controls for this block with those from the
// provided block. The provided block is not modified.
func (b *Block) CopyControls(from *Block) {
	if b == from {
		return
	}
	b.ResetControls()

//	https://csrc.nist.gov/csrc/media/publications/fips/197/final/documents/fips-197.pdf
//	https://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf

package aes

import "internal/byteorder"

// Encrypt one block from src into dst, using the expanded key xk.
func encryptBlockGo(xk []uint32, dst, src []byte) {
	_ = src[15] // early bounds check
	s0 := byteorder.BeUint32(src[0:4])
	s1 := byteorder.BeUint32(src[4:8])

import okhttp3.internal.http2.Http2Stream
import okhttp3.internal.http2.Http2Writer

/**
 * Centralisation of central locks according to docs/contribute/concurrency.md
 */
internal object Locks {
  inline fun <T> Dispatcher.withLock(action: () -> T): T {
    contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
    return lock.withLock(action)
  }

  inline fun <T> RealConnection.withLock(action: () -> T): T {

		}
	}
}

// A block tracks label declarations in a block and its enclosing blocks.
type block struct {
	parent *block                         // enclosing block
	lstmt  *syntax.LabeledStmt            // labeled statement to which this block belongs, or nil
	labels map[string]*syntax.LabeledStmt // allocated lazily
}

// insert records a new label declaration for the current block.

		}
	}
}

// A block tracks label declarations in a block and its enclosing blocks.
type block struct {
	parent *block                      // enclosing block
	lstmt  *ast.LabeledStmt            // labeled statement to which this block belongs, or nil
	labels map[string]*ast.LabeledStmt // allocated lazily
}

// insert records a new label declaration for the current block.

	for i, b := range f.Blocks {
		idToIdx[b.ID] = i
	}

	// Set of blocks we're moving, by ID.
	move := map[ID]struct{}{}

	// Map from block ID to the moving blocks that should
	// come right after it.
	after := map[ID][]*Block{}

	// Check each loop header and decide if we want to move it.
	for _, loop := range loopnest.loops {
		b := loop.header
		var p *Block // b's in-loop predecessor

import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

/**
 * A device for obtaining the current time.
 *
 * @see Time#clock()
 */
@ServiceScope(Scope.Global.class)
public interface Clock {

    /**
     * The current time in millis.
     */
    long getCurrentTime();

	slices.Sort(filenames)
	return filenames, nil
}

// lastBlock returns the last block in the document.
// It panics if the document has no blocks.
func lastBlock(doc *md.Document) md.Block {
	return doc.Blocks[len(doc.Blocks)-1]
}

// addLines adds n lines to the position of b.
// n can be negative.
func addLines(b md.Block, n int) {
	pos := position(b)
	pos.StartLine += n
	pos.EndLine += n
}