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test: add extra test for issue18661
Make sure that the lack of an lvalue doesn't cause extra side-effects. Updates #18661 Updates #18739 Change-Id: I52eb4b4a5c6f8ff5cddd2115455f853c18112c19 Reviewed-on: https://go-review.googlesource.com/36126 Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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@ -1,10 +1,15 @@
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// compile
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// run
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package p
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package main
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import (
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"fmt"
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"os"
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)
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var (
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e interface{}
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@ -16,3 +21,19 @@ func test(obj interface{}) {
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if obj != struct{ a *string }{} {
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}
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}
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var x int
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func f() [2]string {
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x++
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return [2]string{"abc", "def"}
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}
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func main() {
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var e interface{} = [2]string{"abc", "def"}
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_ = e == f()
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if x != 1 {
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fmt.Println("x=", x)
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os.Exit(1)
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}
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}
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