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go/test/fixedbugs/issue9731.go
Dmitry Vyukov 8e2423a67d cmd/gc: typecheck type switch variables
Type switch variables was not typechecked.
Previously it lead only to a minor consequence:

switch unsafe.Sizeof = x.(type) {

generated an inconsistent error message.
But capturing by value functionality now requries typechecking of all ONAMEs.

Fixes #9731

Change-Id: If037883cba53d85028fb97b1328696091b3b7ddd
Reviewed-on: https://go-review.googlesource.com/3600
Reviewed-by: Russ Cox <rsc@golang.org>
2015-02-03 15:44:06 +00:00

22 lines
332 B
Go

// compile
// Copyright 2014 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
func f(x interface{}) {
switch x := x.(type) {
case int:
func() {
_ = x
}()
case map[int]int:
func() {
for range x {
}
}()
}
}