golang issue48962 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue48962.go
/ Copyright 2022 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 T0[P any] struct {
f P
}
type T1 /* ERROR illegal cycle */ struct {
_ T0[T1]
}