go/test/fixedbugs/issue19977.go
Todd Neal cee5cd5a02 cmd/compile: fix error when typeswitching on untyped
Fixes #20185
Fixes #19977

Change-Id: I8434713d20616ff0c0bc8f33f017e2548a5cccfa
Reviewed-on: https://go-review.googlesource.com/42210
Run-TryBot: Todd Neal <todd@tneal.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
2017-04-30 17:25:47 +00:00

17 lines
349 B
Go

// errorcheck
// Copyright 2017 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.
// Issue 19977: multiple error messages when type switching on an undefined
package foo
func Foo() {
switch x := a.(type) { // ERROR "undefined: a"
default:
_ = x
}
}