Ignore empty blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 55c2e24..6ed70e6 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2790,7 +2790,7 @@
         break;
       }
     }
-    if (!FoundLineNo)
+    if (!FoundLineNo && I->size())
       ++BlocksWithoutLineNo;      
   }
 }