1 // run 2 3 // Copyright 2016 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 // Gccgo generated incorrect GC info when a global variable was 8 // initialized to a slice of a value containing pointers. The initial 9 // backing array for the slice was allocated in the .data section, 10 // which is fine, but the backing array was not registered as a GC 11 // root. 12 13 package main 14 15 import ( 16 "runtime" 17 ) 18 19 type s struct { 20 str string 21 } 22 23 var a = []struct { 24 str string 25 }{ 26 {""}, 27 } 28 29 var b = "b" 30 var c = "c" 31 32 func init() { 33 a[0].str = b + c 34 } 35 36 func main() { 37 runtime.GC() 38 if a[0].str != b + c { 39 panic(a[0].str) 40 } 41 } 42
