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, 1 insertions, 1 deletions

diff --git a/contrib/llvm/tools/lldb/source/Target/ThreadPlanStepUntil.cpp b/contrib/llvm/tools/lldb/source/Target/ThreadPlanStepUntil.cpp
index 62e05c7..fa5ab8c 100644
--- a/contrib/llvm/tools/lldb/source/Target/ThreadPlanStepUntil.cpp
+++ b/contrib/llvm/tools/lldb/source/Target/ThreadPlanStepUntil.cpp
@@ -77,7 +77,7 @@ ThreadPlanStepUntil::ThreadPlanStepUntil
             }
         }
 
-        m_stack_id = m_thread.GetStackFrameAtIndex(frame_idx)->GetStackID();
+        m_stack_id = frame_sp->GetStackID();
 
         // Now set breakpoints on all our return addresses:
         for (size_t i = 0; i < num_addresses; i++)