}

func (t *tester) registerRaceTests() {
	hdr := "Testing race detector"
	t.registerTest(hdr,
		&goTest{
			variant:  "race",
			race:     true,
			runTests: "Output",
			pkg:      "runtime/race",
		})
	t.registerTest(hdr,
		&goTest{
			variant:  "race",
			race:     true,

[short] skip
[!race] skip

go test -v -race
stdout 'testing_test.go:26: directCall'
stdout 'testing_test.go:27: interfaceTBCall'
stdout 'testing_test.go:28: interfaceCall'

-- go.mod --
module 26995-TBHelper-line-number

go 1.21
-- testing_test.go --
package testing_test

import "testing"

type TestingT interface {
	Helper()
	Log(args ...interface{})
}

func directCall(t *testing.T) {
	t.Helper()

// Copyright 2015 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.

//go:build !race

package race

import (
	"unsafe"
)

const Enabled = false

func Acquire(addr unsafe.Pointer) {
}

func Release(addr unsafe.Pointer) {
}

func ReleaseMerge(addr unsafe.Pointer) {
}

func Disable() {
}

func Enable() {
}

			return
		}()
		if !<-c {
			return
		}
		<-c
	}
}

// foo is racy, or not, depending on the value of v
// (0-4 == racy, otherwise, not racy).
func foo(v int) int64 {
	var asum atomic.Int64
	for i, x := range ofSliceIndex([]int64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}) {
		if i%5 == v {
			break
		}
		asum.Add(x) // don't race on asum
		runtime.Gosched()
	}
	return 100 + asum.Load()
}

	// Set covermode if not already set.
	// Ensure that -race and -covermode are compatible.
	if cfg.BuildCoverMode == "" {
		cfg.BuildCoverMode = "set"
		if cfg.BuildRace {
			// Default coverage mode is atomic when -race is set.
			cfg.BuildCoverMode = "atomic"
		}
	}
	if cfg.BuildRace && cfg.BuildCoverMode != "atomic" {
		base.Fatalf(`-covermode must be "atomic", not %q, when -race is enabled`, cfg.BuildCoverMode)
	}
}

// run -race

//go:build cgo && linux && amd64

// 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.

// Test that CL 281293 doesn't interfere with race detector
// instrumentation.

package main

import "fmt"

const N = 2e6

type Big = [N]int

var sink interface{}

func main() {
	g(0, f(0))

// and both are correct.
//
// The next example uses a go statement and has a similar problem [<go1.22].
// In addition, it has a data race because the loop updates v
// concurrent with the goroutines accessing it.
//
//	for _, v := range elem {
//	    go func() {
//	        use(v)  // incorrect, and a data race
//	    }()
//	}
//
// A fix is the same as before. The checker also reports problems

// should have NoInstrument set.
var extraNoInstrumentPkgs = []string{
	"runtime/race",
	"runtime/msan",
	"runtime/asan",
	// We omit bytealg even though it's imported by runtime because it also
	// backs a lot of package bytes. Currently we don't have a way to omit race
	// instrumentation when used from the runtime while keeping race
	// instrumentation when used from user code. Somehow this doesn't seem to

//go:build race

#include "go_asm.h"
#include "funcdata.h"
#include "textflag.h"
#include "tls_arm64.h"
#include "cgo/abi_arm64.h"

// The following thunks allow calling the gcc-compiled race runtime directly
// from Go code without going all the way through cgo.
// First, it's much faster (up to 50% speedup for real Go programs).
// Second, it eliminates race-related special cases from cgocall and scheduler.

// Copyright 2022 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.

// Code generated by mkcgo.sh. DO NOT EDIT.

//go:build race

package race

//go:cgo_import_dynamic _Block_object_assign _Block_object_assign ""
//go:cgo_import_dynamic _Block_object_dispose _Block_object_dispose ""
//go:cgo_import_dynamic _NSConcreteStackBlock _NSConcreteStackBlock ""