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// errchk $G -e $F.go

// Copyright 2009 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.

// Incorrect short declarations and redeclarations.

package main

func f1() int                    { return 1 }

func f2() (float32, int)         { return 1, 2 }

func f3() (float32, int, string) { return 1, 2, "3" }

func main() {

        {

                // simple redeclaration

                i := f1()

                i := f1() // ERROR "redeclared|no new"

                _ = i

        }

        {

                // change of type for f

                i, f, s := f3()

                f, g, t := f3() // ERROR "redeclared|cannot assign|incompatible"

                _, _, _, _, _ = i, f, s, g, t

        }

        {

                // change of type for i

                i, f, s := f3()

                j, i, t := f3() // ERROR "redeclared|cannot assign|incompatible"

                _, _, _, _, _ = i, f, s, j, t

        }

        {

                // no new variables

                i, f, s := f3()

                i, f := f2() // ERROR "redeclared|no new"

                _, _, _ = i, f, s

        }

        {

                // single redeclaration

                i, f, s := f3()

                i := 1 // ERROR "redeclared|no new|incompatible"

                _, _, _ = i, f, s

        }

        // double redeclaration

        {

                i, f, s := f3()

                i, f := f2() // ERROR "redeclared|no new"

                _, _, _ = i, f, s

        }

        {

                // triple redeclaration

                i, f, s := f3()

                i, f, s := f3() // ERROR "redeclared|no new"

                _, _, _ = i, f, s

        }

}