pkg net/url, method (*Error) Timeout() bool
pkg net/url, method (InvalidHostError) Error() string
pkg net/url, type InvalidHostError string
pkg os/exec, type ExitError struct, Stderr []uint8
pkg regexp, method (*Regexp) Copy() *Regexp
pkg runtime/debug, func SetTraceback(string)
pkg strconv, func AppendQuoteRuneToGraphic([]uint8, int32) []uint8
pkg strconv, func AppendQuoteToGraphic([]uint8, string) []uint8

	close(quit)
	return code, err
}

type exitCodeFilter struct {
	w      io.Writer // Pass through to w
	exitRe *regexp.Regexp
	buf    bytes.Buffer
}

func newExitCodeFilter(w io.Writer) (*exitCodeFilter, string) {
	const exitStr = "exitcode="

	// Build a regexp that matches any prefix of the exit string at the end of
	// the input. We do it this way to avoid assuming anything about the

// It might be at the beginning but it might be in the middle of the printed instruction.
var fileLineRE = regexp.MustCompile(`(?:^|\()(testdata[/\\][\da-z]+\.s:\d+)(?:$|\)|:)`)

// Same as in test/run.go
var (
	errRE       = regexp.MustCompile(`// ERROR ?(.*)`)
	errQuotesRE = regexp.MustCompile(`"([^"]*)"`)
)

func testErrors(t *testing.T, goarch, file string, flags ...string) {

import (
	"bufio"
	"bytes"
	"encoding/json"
	"fmt"
	"go/ast"
	"go/build"
	"go/parser"
	"go/token"
	"go/types"
	"internal/testenv"
	"io"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
	"runtime"
	"sort"
	"strconv"
	"strings"
	"sync"
	"testing"
)

const verbose = false

func goCmd() string {
	var exeSuffix string
	if runtime.GOOS == "windows" {
		exeSuffix = ".exe"

pkg reflect, method (Value) Clear() #55002
pkg reflect, type SliceHeader //deprecated #56906
pkg reflect, type StringHeader //deprecated #56906
pkg regexp, method (*Regexp) MarshalText() ([]uint8, error) #46159
pkg regexp, method (*Regexp) UnmarshalText([]uint8) error #46159
pkg runtime, method (*PanicNilError) Error() string #25448
pkg runtime, method (*PanicNilError) RuntimeError() #25448

pkg os/exec, method (*Cmd) Environ() []string #50599
pkg os/exec, type Cmd struct, Err error #43724
pkg os/exec, var ErrDot error #43724
pkg regexp/syntax, const ErrNestingDepth = "expression nests too deeply" #51684
pkg regexp/syntax, const ErrNestingDepth ErrorCode #51684
pkg runtime/debug, func SetMemoryLimit(int64) int64 #48409
pkg sort, func Find(int, func(int) int) (int, bool) #50340

pkg text/template/parse, method (*BranchNode) Copy() Node
pkg text/template/parse, method (*IdentifierNode) SetTree(*Tree) *IdentifierNode
pkg html/template, type Error struct, Node parse.Node

# CL 127470043 unicode: strconv: regexp: Upgrade to Unicode 7.0.0., Marcel van Lohuizen <******@****.***>
pkg unicode, const Version = "7.0.0"
pkg unicode, var Bassa_Vah *RangeTable
pkg unicode, var Caucasian_Albanian *RangeTable

pkg os, const ModeIrregular = 524288
pkg os, const ModeIrregular FileMode
pkg os, const ModeType = 2399666176
pkg os, func UserCacheDir() (string, error)
pkg os/signal, func Ignored(os.Signal) bool
pkg regexp/syntax, method (Op) String() string
pkg runtime/trace, func IsEnabled() bool
pkg runtime/trace, func Log(context.Context, string, string)
pkg runtime/trace, func Logf(context.Context, string, string, ...interface{})