Fix this debug output to handle the case where the loop has been deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index e346cc0..43463cd 100644
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -241,7 +241,8 @@
 
       if (Changed)
         dumpPassInfo(P, MODIFICATION_MSG, ON_LOOP_MSG,
-                     CurrentLoop->getHeader()->getNameStr());
+                     skipThisLoop ? "<deleted>" :
+                                    CurrentLoop->getHeader()->getNameStr());
       dumpPreservedSet(P);
 
       if (!skipThisLoop) {