go/test/typeparam/issue47684b.go
Keith Randall 5a40100141 cmd/compile: fix dictionaries for nested closures
Capturing dictionary closure variables is ok.

Fixes #47684

Change-Id: I049c87117915e0c5a172b9665bfac2f91064b2d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/342050
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
2021-08-16 16:55:27 +00:00

24 lines
409 B
Go

// 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
func f[G any]() interface{} {
return func() interface{} {
return func() interface{} {
var x G
return x
}()
}()
}
func main() {
x := f[int]()
if v, ok := x.(int); !ok || v != 0 {
panic("bad")
}
}