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// Copyright 2013 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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F1(i int) (i int) // ERROR "duplicate argument i"
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F2(i, i int) // ERROR "duplicate argument i"
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F3() (i, i int) // ERROR "duplicate argument i"
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var T1 func(i, i int) // ERROR "duplicate argument i"
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var T2 func(i int) (i int) // ERROR "duplicate argument i"
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var T3 func() (i, i int) // ERROR "duplicate argument i"