go issue52915 源码
golang issue52915 代码
文件路径：/src/cmd/compile/internal/types2/testdata/fixedbugs/issue52915.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
import "unsafe"
type T[P any] struct {
T /* ERROR illegal cycle */ [P]
}
func _[P any]() {
_ = unsafe.Sizeof(T[int]{})
_ = unsafe.Sizeof(struct{ T[int] }{})
_ = unsafe.Sizeof(T[P]{})
_ = unsafe.Sizeof(struct{ T[P] }{})
}
// TODO(gri) This is a follow-on error due to T[int] being invalid.
// We should try to avoid it.
const _ = unsafe /* ERROR not constant */ .Sizeof(T[int]{})
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