[short] skip # rebuilds all of std

# Set up fresh GOCACHE.
env GOCACHE=$WORK/gocache
mkdir $GOCACHE

# Verify the standard library (specifically internal/runtime/atomic) can be
# built with -gcflags when -n is given. See golang.org/issue/29346.
go build -n -gcflags=all='-l' std

	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS1 -S" -o /dev/null $pkg &> $DIR/old.txt
done

echo
echo
echo "2a) clean build using $FLAGS2"
(export GO_GCFLAGS="$FLAGS2"; sh make.bash)

echo
echo
echo "2b) save go build output for all packages"
for pkg in `go list std`; do
	echo $pkg
	DIR=$GOROOT/src/$pkg
	go build -gcflags "$FLAGS2 -S" -o /dev/null $pkg &> $DIR/new.txt
done

echo

// buildrun -t 10  -gcflags=-d=ssa/insert_resched_checks/on,ssa/check/on

//go:build !nacl && !js && disabled_see_issue_18589

// Copyright 2016 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 is disabled because it flakes when run in all.bash
// on some platforms, but is useful standalone to verify
// that rescheduling checks are working (and we may wish

// 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) {

}

func TestToleratesOptimizationFlag(t *testing.T) {
	for _, cflags := range []string{
		"",
		"-O",
	} {
		cflags := cflags
		t.Run(cflags, func(t *testing.T) {
			testenv.MustHaveGoBuild(t)
			testenv.MustHaveCGO(t)
			t.Parallel()

			cmd := exec.Command("go", "build", path("issue14669.go"))
			cmd.Env = append(os.Environ(), "CGO_CFLAGS="+cflags)
			out, err := cmd.CombinedOutput()
			if err != nil {

// 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)

// asmcheck -gcflags=-spectre=index

//go:build amd64

// 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.

package codegen

func IndexArray(x *[10]int, i int) int {
	// amd64:`CMOVQCC`
	return x[i]
}

func IndexString(x string, i int) byte {
	// amd64:`CMOVQ(LS|CC)`
	return x[i]
}

// asmcheck -gcflags=-spectre=ret

//go:build amd64

package codegen

func CallFunc(f func()) {
	// amd64:`CALL\truntime.retpoline`
	f()
}

func CallInterface(x interface{ M() }) {
	// amd64:`CALL\truntime.retpoline`
	x.M()
}

// Check to make sure that jump tables are disabled
// when retpoline is on. See issue 57097.
func noJumpTables(x int) int {
	switch x {
	case 0:
		return 0
	case 1:
		return 1

// run -race -gcflags=all=-d=checkptr=0

//go:build ((linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)) && cgo

// 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.

// Although -race turns on -d=checkptr, the explicit -d=checkptr=0
// should override it.

package main