func ReadWorkFile(path string) (*modfile.WorkFile, error) {
	path = base.ShortPath(path) // use short path in any errors
	workData, err := fsys.ReadFile(path)
	if err != nil {
		return nil, fmt.Errorf("reading go.work: %w", err)
	}

	f, err := modfile.ParseWork(path, workData, nil)
	if err != nil {
		return nil, fmt.Errorf("errors parsing go.work:\n%w", err)
	}

		if cache.DebugTest {
			if err != nil {
				fmt.Fprintf(os.Stderr, "testcache: %s: reading testlog: %v\n", a.Package.ImportPath, err)
			} else {
				fmt.Fprintf(os.Stderr, "testcache: %s: reading testlog: malformed\n", a.Package.ImportPath)
			}
		}
		return
	}
	testInputsID, err := computeTestInputsID(a, testlog)
	if err != nil {

	// Scan DWARF info for top-level TagVariable entries with AttrName __cgo__i.
	types := make([]dwarf.Type, len(names))
	r := d.Reader()
	for {
		e, err := r.Next()
		if err != nil {
			fatalf("reading DWARF entry: %s", err)
		}
		if e == nil {
			break
		}
		switch e.Tag {
		case dwarf.TagVariable:
			name, _ := e.Val(dwarf.AttrName).(string)
			// As of https://reviews.llvm.org/D123534, clang

		}
	}
	return true
}

func sliceOfString(s [][]byte) []string {
	result := make([]string, len(s))
	for i, v := range s {
		result[i] = string(v)
	}
	return result
}

// For ease of reading, the test cases use strings that are converted to byte
// slices before invoking the functions.

var abcd = "abcd"
var faces = "☺☻☹"
var commas = "1,2,3,4"
var dots = "1....2....3....4"

type BinOpTest struct {

			// other module depends on the main module, and that other module also
			// uses a pruned module graph, it will expect to find all of our
			// transitive dependencies by reading just our go.mod file, not the go.mod
			// files of everything we depend on.
			//
			// (This is the “import invariant” that makes graph pruning possible.)

		case rootsImported && pkg.flags.has(pkgFromRoot):

	p.errh = errh
	p.mode = mode
	p.pragh = pragh
	p.scanner.init(
		r,
		// Error and directive handler for scanner.
		// Because the (line, col) positions passed to the
		// handler is always at or after the current reading
		// position, it is safe to use the most recent position
		// base to compute the corresponding Pos value.
		func(line, col uint, msg string) {
			if msg[0] != '/' {
				p.errorAt(p.posAt(line, col), msg)
				return

	return r
}

// uaddOvf reports whether unsigned a+b would overflow.
func uaddOvf(a, b int64) bool {
	return uint64(a)+uint64(b) < uint64(a)
}

// loadLSymOffset simulates reading a word at an offset into a
// read-only symbol's runtime memory. If it would read a pointer to
// another symbol, that symbol is returned. Otherwise, it returns nil.
func loadLSymOffset(lsym *obj.LSym, offset int64) *obj.LSym {