golang bug498 代码
文件路径：/test/fixedbugs/bug498.go
/ run
/ Copyright 2016 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.
/ Gccgo incorrectly rejected an assignment to multiple instances of
/ the same variable.
package main
var a int
func F() {
a, a, a = 1, 2, 3
}
func main() {
F()
if a != 3 {
panic(a)
}
}