Update LLDB snapshot to upstream r216948 (git 50f7fe44)

This is approximately "LLDB 3.5" although with a little bit of skew,
and will go along with the Clang 3.5 import.

Sponsored by:	DARPA, AFRL

1 files changed, 3 insertions, 1 deletions

diff --git a/contrib/llvm/tools/lldb/source/Utility/SharingPtr.cpp b/contrib/llvm/tools/lldb/source/Utility/SharingPtr.cpp
index be237ce..4083975 100644
--- a/contrib/llvm/tools/lldb/source/Utility/SharingPtr.cpp
+++ b/contrib/llvm/tools/lldb/source/Utility/SharingPtr.cpp
@@ -18,6 +18,8 @@
 #include <assert.h>
 #include "lldb/Host/Mutex.h"
 
+#include "llvm/ADT/STLExtras.h"
+
 #include <vector>
 
 class Backtrace
@@ -51,7 +53,7 @@ void
 Backtrace::GetFrames ()
 {
     void *frames[1024];
-    const int count = ::backtrace (frames, sizeof(frames)/sizeof(void*));
+    const int count = ::backtrace (frames, llvm::array_lengthof(frames));
     if (count > 2)
         m_frames.assign (frames + 2, frames + (count - 2));
 }