Baby step towards supporting namespaces in chained PCH.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111878 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 8 insertions, 3 deletions

diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index 4a3fc59e2e..3341679965 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -311,7 +311,12 @@ namespace clang {
       /// If a declaration is modified after having been deserialized, and then
       /// written to a dependent AST file, its ID and offset must be added to
       /// the replacement block.
-      DECL_REPLACEMENTS = 33
+      DECL_REPLACEMENTS = 33,
+
+      /// \brief Record code for an update to a decl context's lookup table.
+      ///
+      /// In practice, this should only be used for the TU and namespaces.
+      UPDATE_VISIBLE = 34
     };
 
     /// \brief Record types used within a source manager block.
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index f28eb26d93..8b5790fc9c 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -10,7 +10,7 @@
 //  This file defines the ASTReader class, which reads AST files.
 //
 //===----------------------------------------------------------------------===//
-                                                                          
+
 #ifndef LLVM_CLANG_FRONTEND_AST_READER_H
 #define LLVM_CLANG_FRONTEND_AST_READER_H
 
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 6fe1b7068e..10eb03087f 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3210,7 +3210,7 @@ ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC,
                                       DeclContext::lookup_iterator(0));
 
   llvm::SmallVector<NamedDecl *, 64> Decls;
-  // There might be lexical decls in multiple parts of the chain, for the TU
+  // There might be visible decls in multiple parts of the chain, for the TU
   // and namespaces.
   DeclContextInfos &Infos = DeclContextOffsets[DC];
   for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end();