mirror of
https://github.com/golang/go
synced 2024-11-25 06:27:57 -07:00
9b4b4ae585
The typechecker is assuming that alias instances cannot be reached from a named type. However, when type parameters on aliases are permited, it can happen. This CL changes the typechecker to propagate the correct named instance is being expanded. Updates #46477 Fixes #68580 Change-Id: Id0879021f4640c0fefe277701d5096c649413811 Reviewed-on: https://go-review.googlesource.com/c/go/+/601115 Auto-Submit: Robert Griesemer <gri@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
16 lines
306 B
Go
16 lines
306 B
Go
// compile -goexperiment aliastypeparams
|
|
|
|
// Copyright 2024 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
|
|
|
|
type A[P any] = struct{ _ P }
|
|
|
|
type N[P any] A[P]
|
|
|
|
func f[P any](N[P]) {}
|
|
|
|
var _ = f[int]
|