test/typeparam: add a test case for issue46591

Fixes #46591

Change-Id: I4875092ecd7760b0cd487e793576ef7a9a569a0e
Reviewed-on: https://go-review.googlesource.com/c/go/+/343970
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
korzhao 2021-08-21 02:51:51 +08:00 committed by Robert Griesemer
parent 835ff47c16
commit 97d17dc023

View file

@ -0,0 +1,22 @@
// run -gcflags=-G=3
// Copyright 2021 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 T[_ any] struct{}
var m = map[interface{}]int{
T[struct{ int }]{}: 0,
T[struct {
int "x"
}]{}: 0,
}
func main() {
if len(m) != 2 {
panic(len(m))
}
}