1 // run 2 3 // Copyright 2012 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 // Issue 3899: 8g incorrectly thinks a variable is 8 // "set but not used" and elides an assignment, causing 9 // variables to end up with wrong data. 10 // 11 // The reason is a miscalculation of variable width. 12 13 package main 14 15 func bar(f func()) { 16 f() 17 } 18 19 func foo() { 20 f := func() {} 21 if f == nil { 22 } 23 bar(f) 24 } 25 26 func main() { 27 foo() 28 } 29
