[bugpoint] make tool selection messages unique

Change messages to help identify which interpreter was actually selected (safe
vs testing).

Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org>
Reviewed-by: Chandler Carruth <chandlerc@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173360 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ExecutionDriver.cpp b/tools/bugpoint/ExecutionDriver.cpp
index 218a559..da36045 100644
--- a/tools/bugpoint/ExecutionDriver.cpp
+++ b/tools/bugpoint/ExecutionDriver.cpp
@@ -230,7 +230,7 @@
     }
     if (!SafeInterpreter) {
       SafeInterpreterSel = AutoPick;
-      Message = "Sorry, I can't automatically select an interpreter!\n";
+      Message = "Sorry, I can't automatically select a safe interpreter!\n";
     }
     break;
   case RunLLC: