golang typedesc 代码
文件路径：/src/cmd/link/internal/ld/testdata/deadcode/typedesc.go
// 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 a live variable doesn't bring its type
// descriptor live.
package main
type T [10]string
var t T
func main() {
println(t[8])
}