src := filepath.Join(tmpdir, "x.go")
	err := os.WriteFile(src, []byte(helloSrc), 0644)
	if err != nil {
		t.Fatalf("write file failed: %v", err)
	}

	cmd := testenv.Command(t, testenv.GoToolPath(t), "run", "-gcflags=all="+flag, src)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("go run failed: %v\n%s", err, out)
	}
	if string(out) != "hello\n" {
		t.Errorf("wrong output: got %q, want %q", out, "hello\n")
	}

// 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 issue43639

// #cgo CFLAGS: -W -Wall -Werror

) >_const.go

# Pull out the error names for later.
errors=$(
	echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
	sort
)

# Pull out the signal names for later.
signals=$(
	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
	grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT\|SIGMAX64' |
	sort

# the profile at cmd/compile/default.pgo.

dir=$(mktemp -d)
cd $dir
seed=$(date)

for p in $(go list std cmd); do
	h=$(echo $seed $p | md5sum | cut -d ' ' -f 1)
	echo $p $h
	go build -o /dev/null -gcflags=-cpuprofile=$PWD/prof.$h $p
done

go tool pprof -proto prof.* > $(go env GOROOT)/src/cmd/compile/default.pgo

Name: TensorFlow
Version: ${TF_VERSION}
Description: Library for computation using data flow graphs for scalable machine learning
Requires:
Libs: -L\${libdir} -ltensorflow -ltensorflow_framework
Cflags: -I\${includedir}
EOF

cat << EOF > tensorflow_cc.pc
prefix=${TF_PREFIX}
exec_prefix=\${prefix}
libdir=\${exec_prefix}/${LIBDIR}
includedir=\${prefix}/include/tensorflow

Name: TensorFlow

// Excluded in darwin internal linking PIE (which is the default) mode,
// as dynamic export is not supported.

package cgotest

/*
#include <stdint.h>
#include <dlfcn.h>
#cgo linux LDFLAGS: -ldl

extern uintptr_t dlopen4029(char*, int);
extern uintptr_t dlsym4029(uintptr_t, char*);
extern int dlclose4029(uintptr_t);

extern void call4029(uintptr_t arg);
*/
import "C"

import (
	"testing"

# Test case for issue 47993, in which the linker crashes
# on a bad input instead of issuing an error and exiting.

# This test requires external linking, so use cgo as a proxy 
[!cgo] skip

! go build -ldflags='-linkmode=external' .
! stderr 'panic'
stderr '^.*undefined symbol in relocation.*'

-- go.mod --

module issue47993

go 1.16

-- main.go --

package main

type M struct {
	b bool
}

// 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

          CGO_ENABLED: 0
          GO111MODULE: on
        run: |
          Set-MpPreference -DisableRealtimeMonitoring $true
          netsh int ipv4 set dynamicport tcp start=60000 num=61000
          go build --ldflags="-s -w" -o %GOPATH%\bin\minio.exe
          go test -v --timeout 120m ./...
      - name: Build on ${{ matrix.os }}
        if: matrix.os == 'ubuntu-latest'
        env:
          CGO_ENABLED: 0
          GO111MODULE: on

// 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.

package main

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

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

void f(int32_t *p, int n) {
  int32_t * volatile q = (int32_t *)malloc(sizeof(int32_t) * n);
  memcpy(p, q, n * sizeof(*p));