// build -gcflags=-l=4

// Copyright 2023 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 p

type Interface interface {
	MonitoredResource() (resType string, labels map[string]string)
	Done()
}

func Autodetect(x int) Interface {
	return func() Interface {
		func() Interface {
			x++
			Do(func() {
				var ad, gd Interface

		args := []string{"build", "-gcflags=runtime=-m", "runtime"}
		cmd := testenv.Command(t, testenv.GoToolPath(t), args...)
		b, err := cmd.CombinedOutput()
		if err != nil {
			t.Fatalf("build failed (%v): %s", err, b)
		}
		mbase := collectInlCands(string(b))

		// Redo the build with -cover, also with "-m".
		args = []string{"build", "-gcflags=runtime=-m", mode, "runtime"}

	if len(args) == 0 {
		// If any of this command's flags were passed explicitly, error
		// out, because they only make sense with arguments.
		//
		// Don't error if the flags came from GOFLAGS, since that can be
		// a reasonable use case. For example, imagine GOFLAGS=-v to
		// turn "verbose mode" on for all Go commands, which should not
		// break "go version".
		var argOnlyFlag string
		if !base.InGOFLAGS("-m") && *versionM {
			argOnlyFlag = "-m"

	ok := os.WriteFile(rungo, stdout.Bytes(), 0600)
	if ok != nil {
		t.Fatalf("Failed to create temporary file " + rungo)
	}

	stdout.Reset()
	stderr.Reset()
	cmd = testenv.Command(t, gotool, "run", "-gcflags=-d=ssa/check/on", rungo)
	cmd.Stdout = &stdout
	cmd.Stderr = &stderr
	cmd.Env = append(cmd.Env, ev...)
	err := cmd.Run()
	if err != nil {
		t.Fatalf("Failed: %v:\nOut: %s\nStderr: %s\n", err, &stdout, &stderr)
	}

// run -gcflags=-d=maymorestack=main.mayMoreStack

// 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 the maymorestack testing hook by injecting a hook that counts
// how many times it is called and checking that count.

package main

import "runtime"

var count uint32

//go:nosplit
func mayMoreStack() {
	count++

// asmcheck -gcflags=-clobberdead

//go:build amd64 || arm64

// 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 codegen

type T [2]*int // contain pointer, not SSA-able (so locals are not registerized)

var p1, p2, p3 T

func F() {
	// 3735936685 is 0xdeaddead. On ARM64 R27 is REGTMP.

// asmcheck -gcflags=-clobberdeadreg

//go:build 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.

package codegen

type S struct {
	a, b, c, d, e, f int
}

func F(a, b, c int, d S) {
	// -2401018187971961171 is 0xdeaddeaddeaddead

		t.Helper()
		t.Skipf("skipping on %s/%s: no DWARF symbol table in executables", runtime.GOOS, runtime.GOARCH)
	}
}

const (
	DefaultOpt = "-gcflags="
	NoOpt      = "-gcflags=-l -N"
	OptInl4    = "-gcflags=-l=4"
	OptAllInl4 = "-gcflags=all=-l=4"
)

func TestRuntimeTypesPresent(t *testing.T) {
	t.Parallel()
	testenv.MustHaveGoBuild(t)

	mustHaveDWARF(t)

	dir := t.TempDir()

			if buildmode != "" {
				cmd.Args = append(cmd.Args, "-buildmode", buildmode)
			}
			cmd.Args = append(cmd.Args, dir)
			cmd.Env = append(os.Environ(), env...)
			cmd.Env = append(cmd.Env, "CGO_CFLAGS=") // ensure CGO_CFLAGS does not contain any flags. Issue #35459
			cmd.Env = append(cmd.Env, "LINK_TEST_TOOLEXEC=1")
			out, err := cmd.CombinedOutput()
			if err != nil {
				t.Fatalf("go build -o %v %v: %v\n%s", exe, dir, err, out)

# spaces. Arguments are normally split on spaces, tabs, newlines. If an
# argument contains these characters, the entire argument may be quoted
# with single or double quotes. This is the same as -gcflags and similar
# options.

[short] skip
[!exec:clang] [!exec:gcc] skip
[!cgo] skip

env GOENV=$WORK/go.env
mkdir 'program files'
go build -o 'program files' './which cc/which cc.go'