if err := checkOtherFile(pass, name); err != nil {
			return nil, err
		}
	}
	for _, name := range pass.IgnoredFiles {
		if strings.HasSuffix(name, ".go") {
			f, err := parser.ParseFile(pass.Fset, name, nil, parser.ParseComments)
			if err != nil {
				// Not valid Go source code - not our job to diagnose, so ignore.
				return nil, nil
			}
			checkGoFile(pass, f)
		} else {

		return nil
	}
	for _, file := range check.files {
		if file.FileStart <= pos && pos < file.FileEnd {
			return file
		}
	}
	panic(check.sprintf("file not found for pos = %d (%s)", int(pos), check.fset.Position(pos)))

	r.Comments = cmap.Filter(r).Comments() // recreate comments list
	return r
}

// set is a wrapper for x.Set(y); it protects the caller from panics if x cannot be changed to y.
func set(x, y reflect.Value) {
	// don't bother if x cannot be set or y is invalid
	if !x.CanSet() || !y.IsValid() {
		return
	}
	defer func() {
		if x := recover(); x != nil {

	errpos        positioner             // if set, identifier position of a constant with inherited initializer
	inTParamList  bool                   // set if inside a type parameter list
	sig           *Signature             // function signature if inside a function; nil otherwise
	isPanic       map[*ast.CallExpr]bool // set of panic call expressions (used for termination check)

// just as export data enables separate compilation of several passes,
// facts enable "separate analysis".
//
// Each pass (a, p) starts with the set of facts produced by the
// same analyzer a applied to the packages directly imported by p.
// The analysis may add facts to the set, and they may be exported in turn.
// An analysis's Run function may retrieve facts by calling
// Pass.Import{Object,Package}Fact and update them using

		sizes[size] = struct{}{}
	}
	minSize := int64(math.MaxInt64)
	for size := range sizes {
		if size < minSize {
			minSize = size
		}
	}
	if amt >= minSize {
		ident := analysisutil.Format(pass.Fset, x)
		qualifier := ""
		if len(sizes) > 1 {
			qualifier = "may be "
		}
		pass.ReportRangef(node, "%s (%s%d bits) too small for shift of %d", ident, qualifier, minSize, amt)
	}

}

// readUnifiedPackage reads a package description from the given
// unified IR export data decoder.
func readUnifiedPackage(fset *token.FileSet, ctxt *types.Context, imports map[string]*types.Package, input pkgbits.PkgDecoder) *types.Package {
	pr := pkgReader{
		PkgDecoder: input,

		fake: fakeFileSet{
			fset:  fset,
			files: make(map[string]*fileInfo),
		},

		ctxt:    ctxt,
		imports: imports,

						obj = scope.Lookup(ident.Name)
					}
				}
				// If Config.go115UsesCgo is set, the typechecker will resolve Cgo
				// selectors to their cgo name. We must do the same here.
				if pname, _ := obj.(*PkgName); pname != nil {
					if pname.imported.cgo { // only set if Config.go115UsesCgo is set
						name = "_Ctype_" + typ.Sel.Name
					}
				}
			}
			if name == "" {
				return false, nil

	if ext != ".go" && fileListForExt(&dummyPkg, ext) == nil {
		// skip
		return nil, errNonSource
	}

	info := &fileInfo{name: filepath.Join(dir, name), fset: fset}
	if ext == ".syso" {
		// binary, no reading
		return info, nil
	}

	f, err := fsys.Open(info.name)
	if err != nil {
		return nil, err
	}

	// TODO(matloob) should we decide whether to ignore binary only here or earlier

			fmt.Fprintf(&gccgoInit, "\t%s = &%s;\n", n.Mangle, n.C)
			fmt.Fprintf(fc, "\n")
		}

		fmt.Fprintf(fgo2, "var %s ", n.Mangle)
		conf.Fprint(fgo2, fset, node)
		if !*gccgo {
			fmt.Fprintf(fgo2, " = (")
			conf.Fprint(fgo2, fset, node)
			fmt.Fprintf(fgo2, ")(unsafe.Pointer(&__cgo_%s))", n.C)
		}
		fmt.Fprintf(fgo2, "\n")
	}
	if *gccgo {
		fmt.Fprintf(fc, "\n")
	}