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go/test/fixedbugs/issue22063.go
Daniel Martí 39e523792e cmd/compile: fix another invalid switch case panic
Very similar fix to the one made in golang.org/cl/65655. This time it's
for switches on interface values, as we look for duplicates in a
different manner to keep types in mind.

As before, add a small regression test.

Updates #22001.
Fixes #22063.

Change-Id: I9a55d08999aeca262ad276b4649b51848a627b02
Reviewed-on: https://go-review.googlesource.com/66450
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2017-09-27 21:19:06 +00:00

18 lines
352 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 22063: panic on interface switch case with invalid name
package p
const X = Wrong(0) // ERROR "undefined: Wrong"
func _() {
switch interface{}(nil) {
case X:
}
}