1 //gofmt -r=x+x->2*x
2
3 // Copyright 2011 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
6
7 // Rewriting of expressions containing nodes with associated comments to
8 // expressions without those nodes must also eliminate the associated
9 // comments.
10
11 package p
12
13 func f(x int) int {
14 _ = 2 * x // this comment remains in the rewrite
15 _ = 2 * x
16 return 2 * x
17 }
18
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