Revert r104165.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 2c4c9b6..48a5262 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -179,6 +179,8 @@
   /// corresponds to the MDNode mapped with the subprogram DIE.
   DenseMap<DIE *, const MDNode *> ContainingTypeMap;
 
+  typedef SmallVector<DbgScope *, 2> ScopeVector;
+  SmallPtrSet<const MachineInstr *, 8> InsnsBeginScopeSet;
   SmallPtrSet<const MachineInstr *, 8> InsnsEndScopeSet;
 
   /// InlineInfo - Keep track of inlined functions and their location.  This