diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 55c2e24eb92..6ed70e6a3a1 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2790,7 +2790,7 @@ static void CheckLineNumbers(const MachineFunction *MF) {
         break;
       }
     }
-    if (!FoundLineNo)
+    if (!FoundLineNo && I->size())
       ++BlocksWithoutLineNo;      
   }
 }