Index: lib/CodeGen/LiveDebugValues.cpp
===================================================================
--- lib/CodeGen/LiveDebugValues.cpp
+++ lib/CodeGen/LiveDebugValues.cpp
@@ -247,6 +247,7 @@
 /// Tell the pass manager which passes we depend on and what information we
 /// preserve.
 void LiveDebugValues::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.setPreservesCFG();
   MachineFunctionPass::getAnalysisUsage(AU);
 }