1 files changed, 3 insertions, 6 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 55baa92..8d75b1f 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -66,10 +66,6 @@ class DwarfDebug : public DwarfPrinter {
   /// compile units.
   DenseMap<Value *, CompileUnit *> CompileUnitMap;
 
-  /// CompileUnits - All the compile units in this module.
-  ///
-  SmallVector<CompileUnit *, 8> CompileUnits;
-
   /// ModuleCU - All DIEs are inserted in ModuleCU.
   CompileUnit *ModuleCU;
 
@@ -134,7 +130,8 @@ class DwarfDebug : public DwarfPrinter {
   //
   DbgScope *CurrentFnDbgScope;
   
-  /// DbgScopeMap - Tracks the scopes in the current function.
+  /// DbgScopeMap - Tracks the scopes in the current function.  Owns the
+  /// contained DbgScope*s.
   ///
   DenseMap<MDNode *, DbgScope *> DbgScopeMap;
 
@@ -143,7 +140,7 @@ class DwarfDebug : public DwarfPrinter {
   DenseMap<MDNode *, DbgScope *> ConcreteScopes;
 
   /// AbstractScopes - Tracks the abstract scopes a module. These scopes are
-  /// not included DbgScopeMap.
+  /// not included DbgScopeMap.  AbstractScopes owns its DbgScope*s.
   DenseMap<MDNode *, DbgScope *> AbstractScopes;
   SmallVector<DbgScope *, 4>AbstractScopesList;