package main

// A C function returning a value on the Go stack could leave the Go
// stack marked as uninitialized, potentially causing a later error
// when the stack is used for something else. Issue 26209.

/*
#cgo LDFLAGS: -fsanitize=memory
#cgo CPPFLAGS: -fsanitize=memory

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

typedef struct {
	uintptr_t a[20];
} S;

S f() {
	S *p;

// run -gcflags -l=4

// Copyright 2017 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 (
	"fmt"
	"runtime"
)

type frame struct {
	pc   uintptr
	file string
	line int
	ok   bool
}

var (
	skip        int
	globalFrame frame
)

func f() {
	g() // line 27
}

func g() {

	OperatorBinaryVersion pkgversion.Version
)

func init() {
	var err error
	OperatorVersionString = OperatorCodeBaseVersion
	// If dockerinfo has a tag (e.g., specified by LDFlags), we will use it as the version of operator
	tag := buildversion.DockerInfo.Tag
	if pkgversion.IsVersionString(tag) {
		OperatorVersionString = pkgversion.TagToVersionStringGrace(tag)
	}

package main

// This program will crash.
// We want the stack trace to include the C functions.
// We use a fake traceback, and a symbolizer that dumps a string we recognize.

/*
#cgo CFLAGS: -g -O0

// Defined in traceback_c.c.
extern int crashInGo;
int tracebackF1(void);
void cgoTraceback(void* parg);
void cgoSymbolizer(void* parg);
*/
import "C"

import (
	"runtime"
	"unsafe"
)

	"regexp"
	"runtime"
	"strings"
	"testing"
)

func TestInlining(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	t.Parallel()
	out, err := exec.Command(
		testenv.GoToolPath(t),
		"build",
		"--gcflags=-m",
		"net/netip").CombinedOutput()
	if err != nil {
		t.Fatalf("go build: %v, %s", err, out)
	}
	got := map[string]bool{}
	regexp.MustCompile(` can inline (\S+)`).ReplaceAllFunc(out, func(match []byte) []byte {

ALL_OSVERSIONS.windows := 1809 ltsc2022
ALL_OS_ARCH.windows = $(foreach arch, $(ALL_ARCH.windows), $(foreach osversion, ${ALL_OSVERSIONS.windows}, windows-$(arch)-${osversion}))
ALL_OS_ARCH = $(foreach os, $(ALL_OS), ${ALL_OS_ARCH.${os}})

CFLAGS = -Os -Wall -Werror -static -DVERSION=v$(TAG)-$(REV)
KUBE_CROSS_IMAGE ?= registry.k8s.io/build-image/kube-cross
KUBE_CROSS_VERSION ?= $(shell cat ../build-image/cross/VERSION)

}

type mcontextt struct {
	__gregs     [17]uint32
	_           [4]byte   // EABI
	__fpu       [272]byte // EABI
	_mc_tlsbase uint32
	_           [4]byte // EABI
}

type ucontextt struct {
	uc_flags    uint32
	uc_link     *ucontextt
	uc_sigmask  sigset
	uc_stack    stackt
	_           [4]byte // EABI
	uc_mcontext mcontextt
	__uc_pad    [2]int32
}

type keventt struct {
	ident  uint32

func SetFromGOFLAGS(flags *flag.FlagSet) {
	InitGOFLAGS()

	// This loop is similar to flag.Parse except that it ignores
	// unknown flags found in goflags, so that setting, say, GOFLAGS=-ldflags=-w
	// does not break commands that don't have a -ldflags.
	// It also adjusts the output to be clear that the reported problem is from $GOFLAGS.
	where := "$GOFLAGS"
	if runtime.GOOS == "windows" {
		where = "%GOFLAGS%"
	}

a cost of an additional 0.1% text and binary size.  This is currently only implemented
on 386 and amd64 because it has not shown an improvement on other platforms.
Hot block alignment can be disabled with `-gcflags=[<packages>=]-d=alignhot=0`

## Assembler {#assembler}

## Linker {#linker}

<!-- go.dev/issue/67401, CL 585556, CL 587220, and many more -->
The linker now disallows using a `//go:linkname` directive to refer to

# Accurate reporting of notable loops in the presence of inlining
# can create warnings in sibling directories, and it's nice if those
# can be trimmed like subdirectory paths are.

env GOEXPERIMENT=loopvar
go build -gcflags=inlines/a=-d=loopvar=2 .
stderr ^\.[\\/]b[\\/]b\.go:12:6:.*loop.inlined.into.a[\\/]a\.go
stderr ^\.[\\/]b[\\/]b\.go:12:9:.*loop.inlined.into.a[\\/]a\.go

-- go.mod --
module inlines

go 1.21
-- a/a.go --