Eliminate the first->last redeclaration map from the AST file

format. It's no longer being used, now that we have a new
implementation of redeclaration chains.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146905 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 17 deletions

diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index cce6916b4e..a4b6b8f45e 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -366,10 +366,10 @@ namespace clang {
       /// \brief Record code for an update to the TU's lexically contained
       /// declarations.
       TU_UPDATE_LEXICAL = 28,
-
-      /// \brief Record code for an update to first decls pointing to the
-      /// latest redeclarations.
-      REDECLS_UPDATE_LATEST = 29,
+      
+      /// \brief Record code for the array describing the first/last local
+      /// redeclarations of each entity.
+      LOCAL_REDECLARATIONS = 29,
 
       /// \brief Record code for declarations that Sema keeps references of.
       SEMA_DECL_REFS = 30,
@@ -445,18 +445,14 @@ namespace clang {
 
       /// \brief Record code for ObjC categories in a module that are chained to
       /// an interface.
-      OBJC_CHAINED_CATEGORIES,
+      OBJC_CHAINED_CATEGORIES = 49,
 
       /// \brief Record code for a file sorted array of DeclIDs in a module.
-      FILE_SORTED_DECLS,
+      FILE_SORTED_DECLS = 50,
       
       /// \brief Record code for an array of all of the (sub)modules that were
       /// imported by the AST file.
-      IMPORTED_MODULES,
-      
-      /// \brief Record code for the array describing the first/last local
-      /// redeclarations of each entity.
-      LOCAL_REDECLARATIONS
+      IMPORTED_MODULES = 51
     };
 
     /// \brief Record types used within a source manager block.
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index bbeacb4f22..fd0a897518 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -333,12 +333,6 @@ private:
   /// declarations that have not yet been linked to their definitions.
   llvm::SmallPtrSet<Decl *, 4> PendingDefinitions;
   
-  typedef llvm::DenseMap<serialization::DeclID, serialization::DeclID>
-      FirstLatestDeclIDMap;
-  /// \brief Map of first declarations from a chained PCH that point to the
-  /// most recent declarations in another AST file.
-  FirstLatestDeclIDMap FirstLatestDeclIDs;
-
   /// \brief Set of ObjC interfaces that have categories chained to them in
   /// other modules.
   llvm::DenseSet<serialization::GlobalDeclID> ObjCChainedCategoriesInterfaces;