github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=

// Copyright 2011 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.

// This file is a lightly modified copy go/build/build.go with unused parts
// removed.

package modindex

import (
	"bytes"
	"cmd/go/internal/fsys"
	"cmd/go/internal/str"
	"errors"
	"fmt"
	"go/ast"
	"go/build"
	"go/build/constraint"
	"go/token"
	"io"
	"io/fs"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/apimachinery/pkg/util/wait"
	"k8s.io/apimachinery/pkg/watch"
	informers "k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes/fake"
	ktesting "k8s.io/client-go/testing"
	klogtesting "k8s.io/klog/v2/ktesting"
	"k8s.io/utils/ptr"
)

type sortedServices []*v1.Service

func (s sortedServices) Len() int {
	return len(s)
}

func TestIssue21703(t *testing.T) {
	testenv.MustHaveGoBuild(t)

	dir := t.TempDir()

	const aSrc = `package a; const X = "\n!\n"`
	err := os.WriteFile(filepath.Join(dir, "a.go"), []byte(aSrc), 0666)
	if err != nil {
		t.Fatal(err)
	}

	const bSrc = `package b; import _ "a"`
	err = os.WriteFile(filepath.Join(dir, "b.go"), []byte(bSrc), 0666)
	if err != nil {

		fail: true,
	},
	{
		// Passing a pointer to an int field of a Go struct
		// that (irrelevantly) contains a Go pointer.
		name: "ok1",
		c:    `struct s3 { int i; int *p; }; void f3(int *p) {}`,
		body: `p := &C.struct_s3{i: 0, p: new(C.int)}; C.f3(&p.i)`,
		fail: false,
	},
	{
		// Passing a pointer to a pointer field of a Go struct.
		name: "ptrfield",
		c:    `struct s4 { int i; int *p; }; void f4(int **p) {}`,

	{`//host/share/`, `foo/bar`, `//host/share/foo/bar`},

	// Note: the Go compiler currently emits DWARF line table paths
	// with '/' instead of '\' (see issues #19784, #36495). These
	// tests are to cover cases that might come up for Windows Go
	// binaries.
	{`c:/workdir/go/src/x`, `y.go`, `c:/workdir/go/src/x/y.go`},
	{`d:/some/thing/`, `b.go`, `d:/some/thing/b.go`},
	{`e:\blah\`, `foo.c`, `e:\blah\foo.c`},

	return pinState.isPinned()
}

// setPinned marks or unmarks a Go pointer as pinned, when the ptr is a Go pointer.
// It will be ignored while try to pin a non-Go pointer,
// and it will be panic while try to unpin a non-Go pointer,
// which should not happen in normal usage.
func setPinned(ptr unsafe.Pointer, pin bool) bool {
	span := spanOfHeap(uintptr(ptr))

)

const usageMessage = "" +
	`Usage of 'go tool trace':
Given a trace file produced by 'go test':
	go test -trace=trace.out pkg

Open a web browser displaying trace:
	go tool trace [flags] [pkg.test] trace.out

Generate a pprof-like profile from the trace:
    go tool trace -pprof=TYPE [pkg.test] trace.out

[pkg.test] argument is required for traces produced by Go 1.6 and below.
Go 1.7 does not require the binary argument.

		// To run 'go build', we need to be able to exec a 'go' command.
		// We somewhat arbitrarily choose to exec 'go tool -n compile' because that
		// also confirms that cmd/go can find the compiler. (Before CL 472096,
		// we sometimes ended up with cmd/go installed in the test environment
		// without a cmd/compile it could use to actually build things.)
		cmd := exec.Command("go", "tool", "-n", "compile")
		cmd.Env = origEnv
		out, err := cmd.Output()

	"cmd/go/internal/cache"
	"cmd/go/internal/cfg"
	"cmd/go/internal/fsys"
	"cmd/go/internal/load"
	"cmd/go/internal/modload"
	"cmd/go/internal/work"
	"cmd/internal/quoted"
	"cmd/internal/telemetry"
)

var CmdEnv = &base.Command{
	UsageLine: "go env [-json] [-changed] [-u] [-w] [var ...]",
	Short:     "print Go environment information",
	Long: `
Env prints Go environment information.