The new [NewRequestWithContext] method creates an incoming request with

# This fuzz function creates a file with a unique name ($pid.$count) on each
# run. We count the files to find the number of runs.
mkdir count
go test -fuzz=FuzzTestCount -fuzztime=1000x -fuzzminimizetime=1x
go run check_file_count.go count 1000

# When we use fuzzminimizetime with an "x" suffix, it runs a specific number of
# times while minimizing. This fuzz function creates a file with a unique name

import (
	"crypto/sha256"
	"fmt"
	"internal/coverage"
)

// CoverPkgConfig is a bundle of information passed from the Go
// command to the cover command during "go build -cover" runs. The
// Go command creates and fills in a struct as below, then passes
// file containing the encoded JSON for the struct to the "cover"
// tool when instrumenting the source files in a Go package.
type CoverPkgConfig struct {

func tbFromContext(ctx context.Context) (testing.TB, bool) {
	t := ctx.Value(testingTBKey{})
	if t == nil {
		return nil, false
	}
	return t.(testing.TB), true
}

// initScriptDirs creates the initial directory structure in s for unpacking a
// cmd/go script.
func initScriptDirs(t testing.TB, s *script.State) (telemetryDir string) {
	must := func(err error) {
		if err != nil {
			t.Helper()

func BenchmarkDominatorsMaxPredVal(b *testing.B) { benchmarkDominators(b, 10000, genMaxPredValue) }

type blockGen func(size int) []bloc

// genLinear creates an array of blocks that succeed one another
// b_n -> [b_n+1].
func genLinear(size int) []bloc {
	var blocs []bloc
	blocs = append(blocs,
		Bloc("entry",
			Valu("mem", OpInitMem, types.TypeMem, 0, nil),

type SymbolBuilder struct {
	*extSymPayload         // points to payload being updated
	symIdx         Sym     // index of symbol being updated/constructed
	l              *Loader // loader
}

// MakeSymbolBuilder creates a symbol builder for use in constructing
// an entirely new symbol.
func (l *Loader) MakeSymbolBuilder(name string) *SymbolBuilder {
	// for now assume that any new sym is intended to be static
	symIdx := l.CreateStaticSym(name)

		c = tconv(c, types.Types[types.TUINTPTR])
		setField("sourceLocation", c, i)
	}
	fn.Body.Append(init...)
	return globals
}

// createtypes creates the asanGlobal, asanLocation and defString struct type.
// Go compiler does not refer to the C types, we represent the struct field
// by a uintptr, then use type conversion to make copies of the data.

			fmt.Fprintf(buf, "%s=%d ", key, f.ruleMatches[key])
		}
		fmt.Fprint(buf, "\n")
		fmt.Print(buf.String())
	}

	// Squash error printing defer
	phaseName = ""
}

// DumpFileForPhase creates a file from the function name and phase name,
// warning and returning nil if this is not possible.
func (f *Func) DumpFileForPhase(phaseName string) io.WriteCloser {
	f.dumpFileSeq++

	vis            CovDataVisitor
	indirs         []string
	matchpkg       func(name string) bool
	flags          CovDataReaderFlags
	err            error
	verbosityLevel int
}

// MakeCovDataReader creates a CovDataReader object to process the
// given set of input directories. Here 'vis' is a visitor object
// providing methods to be invoked as we walk through the data,
// 'indirs' is the set of coverage data directories to examine,

	targs   *TypeList      // type arguments, or nil
	fromRHS Type           // RHS of type alias declaration; may be an alias
	actual  Type           // actual (aliased) type; never an alias
}

// NewAlias creates a new Alias type with the given type name and rhs.
// rhs must not be nil.
func NewAlias(obj *TypeName, rhs Type) *Alias {
	alias := (*Checker)(nil).newAlias(obj, rhs)
	// Ensure that alias.actual is set (#65455).