| Index: src/platform-linux.cc | 
| diff --git a/src/platform-linux.cc b/src/platform-linux.cc | 
| index b8b96025e1fae2307006f10392b1cca70ef257d7..74d473f4a125091038a48981037db56900676940 100644 | 
| --- a/src/platform-linux.cc | 
| +++ b/src/platform-linux.cc | 
| @@ -313,16 +313,6 @@ void OS::SignalCodeMovingGC() { | 
| } | 
|  | 
|  | 
| -int OS::StackWalk(Vector<OS::StackFrame> frames) { | 
| -  // backtrace is a glibc extension. | 
| -#if defined(__GLIBC__) && !defined(__UCLIBC__) | 
| -  return POSIXBacktraceHelper<backtrace, backtrace_symbols>::StackWalk(frames); | 
| -#else | 
| -  return 0; | 
| -#endif | 
| -} | 
| - | 
| - | 
| // Constants used for mmap. | 
| static const int kMmapFd = -1; | 
| static const int kMmapFdOffset = 0; | 
|  |