<rdar://problem/12649160>

Added the ability to debug through your process exec'ing itself to the same architecture.

llvm-svn: 169340
diff --git a/lldb/tools/driver/Driver.cpp b/lldb/tools/driver/Driver.cpp
index 7a4eded..29fa37d 100644
--- a/lldb/tools/driver/Driver.cpp
+++ b/lldb/tools/driver/Driver.cpp
@@ -806,6 +806,7 @@
                 case eStopReasonWatchpoint:
                 case eStopReasonSignal:
                 case eStopReasonException:
+                case eStopReasonExec:
                     if (!other_thread.IsValid())
                         other_thread = thread;
                     break;