cmd.Stdin = strings.NewReader(addr)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("go tool addr2line %v: %v\n%s", os.Args[0], err, string(out))
	}
	f := strings.Split(string(out), "\n")
	if len(f) < 3 && f[2] == "" {
		t.Fatal("addr2line output must have 2 lines")
	}
	funcname = f[0]
	pathAndLineNo := f[1]
	f = strings.Split(pathAndLineNo, ":")

// license that can be found in the LICENSE file.

// Addr2line is a minimal simulation of the GNU addr2line tool,
// just enough to support pprof.
//
// Usage:
//
//	go tool addr2line binary
//
// Addr2line reads hexadecimal addresses, one per line and with optional 0x prefix,
// from standard input. For each input address, addr2line prints two output lines,

pkg debug/elf, method (*File) DynamicSymbols() ([]Symbol, error)
pkg debug/elf, var ErrNoSymbols error

# CL 106460044 debug/plan9obj, cmd/addr2line: on Plan 9 use a.out header, Aram Hăvărneanu <******@****.***>
pkg debug/plan9obj, type FileHeader struct, HdrSize uint64
pkg debug/plan9obj, type FileHeader struct, LoadAddress uint64

ed-Key":"IAAfAMzCpXnsDGC2skt6==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"application/octet-stream"}},{"Bucket":"buck1","Name":"go_113/src/cmd/vendor/github.com/google/pprof/internal/binutils/addr2liner.go","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"FYDltXqXrDknyTy9R2ON+9sEvdUUpw=","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id":"my-minio-key","X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAO3y3coZ2+4rXy...

pkg go/token, const VAR Token
pkg go/token, const XOR Token
pkg go/token, const XOR_ASSIGN Token
pkg go/token, func Lookup(string) Token
pkg go/token, func NewFileSet() *FileSet
pkg go/token, method (*File) AddLine(int)
pkg go/token, method (*File) AddLineInfo(int, string, int)
pkg go/token, method (*File) Base() int
pkg go/token, method (*File) Line(Pos) int
pkg go/token, method (*File) LineCount() int