1 files changed, 9 insertions, 4 deletions
diff --git a/include/clang/Frontend/FrontendActions.h b/include/clang/Frontend/FrontendActions.h
index c45aeaa208c8..fa1529a3d65d 100644
--- a/include/clang/Frontend/FrontendActions.h
+++ b/include/clang/Frontend/FrontendActions.h
@@ -86,10 +86,15 @@ public:
   /// \brief Compute the AST consumer arguments that will be used to
   /// create the PCHGenerator instance returned by CreateASTConsumer.
   ///
-  /// \returns true if an error occurred, false otherwise.
-  static std::unique_ptr<raw_pwrite_stream>
-  ComputeASTConsumerArguments(CompilerInstance &CI, StringRef InFile,
-                              std::string &Sysroot, std::string &OutputFile);
+  /// \returns false if an error occurred, true otherwise.
+  static bool ComputeASTConsumerArguments(CompilerInstance &CI,
+                                          std::string &Sysroot);
+
+  /// \brief Creates file to write the PCH into and returns a stream to write it
+  /// into. On error, returns null.
+  static std::unique_ptr<llvm::raw_pwrite_stream>
+  CreateOutputFile(CompilerInstance &CI, StringRef InFile,
+                   std::string &OutputFile);
 
   bool BeginSourceFileAction(CompilerInstance &CI) override;
 };