Remove ActiveScope (revert http://llvm.org/viewvc/llvm-project?view=rev&revision=65694 and http://llvm.org/viewvc/llvm-project?view=rev&revision=66741).

Will replace with something better today...


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66893 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index fbae644..b403a8b 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -104,14 +104,15 @@
   /// the active block object that represents it.
   BlockSemaInfo *CurBlock;
 
-  /// ActiveScope - If inside of a function, method, or block definition, 
-  /// this contains a pointer to the active scope that represents it.
-  Scope *ActiveScope;
-  
   /// PackContext - Manages the stack for #pragma pack. An alignment
   /// of 0 indicates default alignment.
   void *PackContext; // Really a "PragmaPackStack*"
 
+  /// LabelMap - This is a mapping from label identifiers to the LabelStmt for
+  /// it (which acts like the label decl in some ways).  Forward referenced
+  /// labels have a LabelStmt created for them with a null location & SubStmt.
+  llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap;
+  
   llvm::SmallVector<SwitchStmt*, 8> SwitchStack;
   
   /// ExtVectorDecls - This is a list all the extended vector types. This allows