# (Maybe someday we'll hard-code the analyzer flags for the default vet
# tool to make this work, but not right now.)
env GOFLAGS='-unsafeptr'
! go list .
stderr 'go: parsing \$GOFLAGS: unknown flag -unsafeptr'
env GOFLAGS=

# "go test" on a user package should by default enable an explicit list of analyzers.
go test -n -run=none .

# binary that runs the real one as a subprocess.

[!cgo] skip
[short] skip 'builds and links a fake clang binary'
[!cc:clang] skip 'test is specific to clang version parsing'

# Save the location of the real clang command for our fake one to use.
go run ./which clang
cp stdout $WORK/.realclang

# Build a fake clang and ensure that it is the one in $PATH.
mkdir $WORK/bin

//
// These keys can be parsed with [crypto/x509.ParsePKIXPublicKey] and encoded
// with [crypto/x509.MarshalPKIXPublicKey]. For NIST curves, they then need to
// be converted with [crypto/ecdsa.PublicKey.ECDH] after parsing.
type PublicKey struct {
	curve     Curve
	publicKey []byte
	boring    *boring.PublicKeyECDH
}

// Bytes returns a copy of the encoding of the public key.
func (k *PublicKey) Bytes() []byte {

		log.Fatalf("invalid value %q for -lang: %v", base.Flag.Lang, err)
	}

	if def := currentLang(); base.Flag.Lang != def {
		defVers, err := parseLang(def)
		if err != nil {
			log.Fatalf("internal error parsing default lang %q: %v", def, err)
		}
		if langWant.major > defVers.major || (langWant.major == defVers.major && langWant.minor > defVers.minor) {

	s.scan()
	for ; len(s.token) >= min; s.scan() {
		end = s.end
	}
	return end
}

// Parse parses the given BCP 47 string and returns a valid Tag. If parsing
// failed it returns an error and any part of the tag that could be parsed.
// If parsing succeeded but an unknown value was found, it returns
// ValueError. The Tag returned in this case is just stripped of the unknown

	if err != nil {
		return nil, fmt.Errorf("error parsing %s: %v", name, err)
	}
	defer of.Close()

	return b.openMachOCommon(name, of, start, limit, offset)
}

func (b *binrep) openELF(name string, start, limit, offset uint64, relocationSymbol string) (plugin.ObjFile, error) {
	ef, err := elfOpen(name)
	if err != nil {
		return nil, fmt.Errorf("error parsing %s: %v", name, err)
	}
	defer ef.Close()

	if len(matches[2]) > 0 {
		minor = atoi(string(matches[2][1:]))
	}
	if len(matches[3]) > 0 {
		patch = atoi(string(matches[3][1:]))
	}
	if parseError != nil {
		t.Logf("error parsing swig version %q, continuing anyway: %s", string(matches[0]), parseError)
		return
	}
	t.Logf("found swig version %d.%d.%d", major, minor, patch)
	if major < 3 || (major == 3 && minor == 0 && patch < 6) {

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Parsing of Mach-O executables (OS X).

package objfile

import (
	"debug/dwarf"
	"debug/macho"
	"fmt"
	"io"
	"sort"
)

const stabTypeMask = 0xe0

type machoFile struct {
	macho *macho.File
}

func openMacho(r io.ReaderAt) (rawFile, error) {

	if err != nil {
		return fmt.Errorf("error opening profile: %w", err)
	}
	defer f.Close()

	r := bufio.NewReader(f)
	d, err := pgo.FromPProf(r)
	if err != nil {
		return fmt.Errorf("error parsing profile: %w", err)
	}

	var out *os.File
	if outputFile == "" {
		out = os.Stdout
	} else {
		out, err = os.Create(outputFile)
		if err != nil {
			return fmt.Errorf("error creating output file: %w", err)

	binBits := uint(n-1) * 8
	return n >= 9 || (x >= -1<<binBits && x < 1<<binBits)
}

// parseNumeric parses the input as being encoded in either base-256 or octal.
// This function may return negative numbers.
// If parsing fails or an integer overflow occurs, err will be set.
func (p *parser) parseNumeric(b []byte) int64 {
	// Check for base-256 (binary) format first.
	// If the first bit is set, then all following bits constitute a two's