1 files changed, 6 insertions, 6 deletions
diff --git a/include/clang/Frontend/CompilerInvocation.h b/include/clang/Frontend/CompilerInvocation.h
index e18f3fe63249..47c70311dda4 100644
--- a/include/clang/Frontend/CompilerInvocation.h
+++ b/include/clang/Frontend/CompilerInvocation.h
@@ -28,13 +28,9 @@
 #include <string>
 #include <vector>
 
-namespace llvm {
-  template<typename T> class SmallVectorImpl;
-}
-
 namespace clang {
 
-class Diagnostic;
+class DiagnosticsEngine;
 
 /// CompilerInvocation - Helper class for holding the data necessary to invoke
 /// the compiler.
@@ -92,7 +88,7 @@ public:
   static void CreateFromArgs(CompilerInvocation &Res,
                              const char* const *ArgBegin,
                              const char* const *ArgEnd,
-                             Diagnostic &Diags);
+                             DiagnosticsEngine &Diags);
 
   /// GetBuiltinIncludePath - Get the directory where the compiler headers
   /// reside, relative to the compiler binary (found by the passed in
@@ -127,6 +123,10 @@ public:
   static void setLangDefaults(LangOptions &Opts, InputKind IK,
                    LangStandard::Kind LangStd = LangStandard::lang_unspecified);
   
+  /// \brief Retrieve a module hash string that is suitable for uniquely 
+  /// identifying the conditions under which the module was built.
+  std::string getModuleHash() const;
+  
   /// @}
   /// @name Option Subgroups
   /// @{