1 files changed, 5 insertions, 1 deletions
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index 429f00f..ef5b107 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -304,7 +304,6 @@ class ASTReader
     public ExternalHeaderFileInfoSource,
     public ExternalSemaSource,
     public IdentifierInfoLookup,
-    public ExternalIdentifierLookup,
     public ExternalSLocEntrySource
 {
 public:
@@ -1846,6 +1845,11 @@ public:
   /// Note: overrides method in ExternalASTSource
   Module *getModule(unsigned ID) override;
 
+  /// \brief Return a descriptor for the corresponding module.
+  llvm::Optional<ASTSourceDescriptor> getSourceDescriptor(unsigned ID) override;
+  /// \brief Return a descriptor for the module.
+  ASTSourceDescriptor getSourceDescriptor(const Module &M) override;
+
   /// \brief Retrieve a selector from the given module with its local ID
   /// number.
   Selector getLocalSelector(ModuleFile &M, unsigned LocalID);