// run -gcflags=all=-d=checkptr

//go:build cgo

// Copyright 2019 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.

package main

// #include <stdlib.h>
import "C"

func main() {
	C.malloc(100)

// testDebugLinesDefault removes the first wanted statement on architectures that are not (yet) register ABI.
func testDebugLinesDefault(t *testing.T, gcflags, file, function string, wantStmts []int, ignoreRepeats bool) {
	unixOnly(t)
	if !hasRegisterABI() {
		wantStmts = wantStmts[1:]
	}
	testDebugLines(t, gcflags, file, function, wantStmts, ignoreRepeats)
}

func TestDebugLinesSayHi(t *testing.T) {

	tg.run("env", "CGO_CFLAGS")
	tg.grepStdout(".", "default CGO_CFLAGS unexpectedly empty")

	tg.setenv("CGO_CFLAGS", "-foobar")
	tg.run("env", "CGO_CFLAGS")
	tg.grepStdout("^-foobar$", "CGO_CFLAGS not honored")

	tg.setenv("CC", "gcc -fmust -fgo -ffaster")
	tg.run("env", "CC")
	tg.grepStdout("gcc", "CC not found")
	tg.run("env", "GOGCCFLAGS")

[!short] cp $WORK/extraneous.txt $GOPATH/pkg/mod/example.com/printversion@v0.1.0/extraneous_file.go
[!short] go clean -modcache


# The flag should also be applied if given in GOFLAGS
# instead of on the command line.
env GOFLAGS=-modcacherw
! go install -cake=delicious example.com/printversion@v0.1.0
stderr '^flag provided but not defined: -cake$'

			// This flag has been overridden explicitly, so don't forward its implicit
			// value from GOFLAGS.
			delete(addFromGOFLAGS, f.Name)
		}

		args = remainingArgs
	}

	// Prepend arguments from GOFLAGS before other arguments.
	CmdVet.Flag.Visit(func(f *flag.Flag) {
		if addFromGOFLAGS[f.Name] {

// run -gcflags="-d=checkptr"

// Copyright 2021 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.

package main

import (
	"strings"
	"unsafe"
)

func main() {
	defer func() {
		err := recover()
		if err == nil {
			panic("expected panic")
		}
		if got := err.(error).Error(); !strings.Contains(got, "slice bounds out of range") {

# go doc should find module documentation

env GO111MODULE=on
env GOFLAGS=-mod=mod
[short] skip

# Check when module x is inside GOPATH/src.
go doc y
stdout 'Package y is.*alphabet'
stdout 'import "x/y"'
go doc x/y
stdout 'Package y is.*alphabet'
! go doc quote.Hello
stderr 'doc: symbol quote is not a type' # because quote is not in local cache
go list rsc.io/quote # now it is
go doc quote.Hello
stdout 'Hello returns a greeting'

// run -gcflags=-d=checkptr

// Copyright 2020 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.

// Test that reflect.Value.UnsafeAddr/Pointer is handled
// correctly by -d=checkptr

package main

import (
	"reflect"
	"unsafe"
)

func main() {
	n := 10
	m := make(map[string]string)

	// so it's somewhat slow.
	if testing.Short() {
		t.Skip("skipping test in -short mode")
	}

	t.Parallel()
	testenv.MustHaveGoRun(t)

	exe, err := buildTestProg(t, "testprog", "-gcflags=all=-d=checkptr=1")
	if err != nil {
		t.Fatal(err)
	}

	testCases := []struct {
		cmd  string
		want string
	}{
		{"CheckPtrAlignmentPtr", "fatal error: checkptr: misaligned pointer conversion\n"},

	if testing.Short() {
		t.Skip("skipping test in short mode.")
	}
	t.Parallel()

	testenv.MustHaveGoBuild(t)
	testenv.MustHaveCGO(t)
	dir := t.TempDir()
	cmd := testenv.Command(t, testenv.GoToolPath(t), "build", "-gcflags=-N -l", "-o", filepath.Join(dir, "a.out"))
	cmd.Dir = filepath.Join(testenv.GOROOT(t), "src", "runtime", "testdata", "testprogcgo")
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Logf("go build output: %s", out)