if e&varkill != 0 {
				be.varkill.Set(pos)
				be.uevar.Unset(pos)
			}
			if e&uevar != 0 {
				be.uevar.Set(pos)
			}
		}
	}
}

// Solve the liveness dataflow equations.
func (lv *liveness) solve() {
	// These temporary bitvectors exist to avoid successive allocations and
	// frees within the loop.
	nvars := int32(len(lv.vars))
	newlivein := bitvec.New(nvars)

			}
			coverFile = strings.TrimSuffix(coverFile, ".go") + ".cover.go"
			if cfg.Experiment.CoverageRedesign {
				infiles = append(infiles, sourceFile)
				outfiles = append(outfiles, coverFile)
			} else {
				cover := p.Internal.CoverVars[key]
				if cover == nil {
					continue // Not covering this file.
				}
				if err := b.cover(a, coverFile, sourceFile, cover.Var); err != nil {
					return err
				}
			}

}

{{if .Cover}}

// Only updated by init functions, so no need for atomicity.
var (
	coverCounters = make(map[string][]uint32)
	coverBlocks = make(map[string][]testing.CoverBlock)
)

func init() {
	{{range $i, $p := .Cover.Vars}}
	{{range $file, $cover := $p.Vars}}

	// Failing that we'll take the latest release.
	latest := ""
	for i := len(list) - 1; i >= 0; i-- {
		v := list[i]
		if gover.Compare(v, need) < 0 {
			break
		}
		if gover.Lang(latest) == gover.Lang(v) {
			continue
		}
		newer := latest
		latest = v
		if newer != "" && !gover.IsPrerelease(newer) {
			// latest is the last patch release of Go 1.X, and we saw a non-prerelease of Go 1.(X+1),

	// request that their test dependencies be included.
	modload.ForceUseModules = true
	modload.RootMode = modload.NeedRoot

	goVersion := tidyGo.String()
	if goVersion != "" && gover.Compare(gover.Local(), goVersion) < 0 {
		toolchain.SwitchOrFatal(ctx, &gover.TooNewError{
			What:      "-go flag",
			GoVersion: goVersion,
		})
	}

	modload.LoadPackages(ctx, modload.PackageOpts{
		TidyGoVersion:            tidyGo.String(),

}

func CachePath(ctx context.Context, m module.Version, suffix string) (string, error) {
	if gover.IsToolchain(m.Path) {
		return "", ErrToolchain
	}
	dir, err := cacheDir(ctx, m.Path)
	if err != nil {
		return "", err
	}
	if !gover.ModIsValid(m.Path, m.Version) {
		return "", fmt.Errorf("non-semver module version %q", m.Version)
	}

	}
}

func TestCoverOnPackageWithNoTestFiles(t *testing.T) {
	testenv.MustHaveGoRun(t)

	// For packages with no test files, the new "go test -cover"
	// strategy is to run cmd/cover on the package in a special
	// "EmitMetaFile" mode. When running in this mode, cmd/cover walks
	// the package doing instrumentation, but when finished, instead of
	// writing out instrumented source files, it directly emits a

// license that can be found in the LICENSE file.

package load

import (
	"errors"
	"fmt"
	"go/build"
	"internal/godebugs"
	"sort"
	"strconv"
	"strings"

	"cmd/go/internal/gover"
	"cmd/go/internal/modload"
)

var ErrNotGoDebug = errors.New("not //go:debug line")

func ParseGoDebug(text string) (key, value string, err error) {
	if !strings.HasPrefix(text, "//go:debug") {

// Package tar implements access to tar archives.
//
// Tape archives (tar) are a file format for storing a sequence of files that
// can be read and written in a streaming manner.
// This package aims to cover most variations of the format,
// including those produced by GNU and BSD tar tools.
package tar

import (
	"errors"
	"fmt"
	"internal/godebug"
	"io/fs"
	"math"
	"path"
	"reflect"
	"strconv"

	if err != nil {
		return err
	}

	if gomod, err := r.code.ReadFile(ctx, rev, filepath.Join(subdir, "go.mod"), codehost.MaxGoMod); err == nil {
		goVers := gover.GoModLookup(gomod, "go")
		if gover.Compare(goVers, gover.Local()) > 0 {
			return &gover.TooNewError{What: r.ModulePath() + "@" + version, GoVersion: goVers}
		}
	} else if !errors.Is(err, fs.ErrNotExist) {
		return err
	}