1 files changed, 5 insertions, 2 deletions
diff --git a/tools/libclang/Indexing.cpp b/tools/libclang/Indexing.cpp
index 6b681340f1..8fe9c36556 100644
--- a/tools/libclang/Indexing.cpp
+++ b/tools/libclang/Indexing.cpp
@@ -353,7 +353,8 @@ static void clang_indexSourceFile_Impl(void *UserData) {
     CInvok->getDiagnosticOpts().IgnoreWarnings = true;
 
   ASTUnit *Unit = ASTUnit::create(CInvok.getPtr(), Diags,
-                                  /*CaptureDiagnostics=*/true);
+                                  /*CaptureDiagnostics=*/true,
+                                  /*UserFilesAreVolatile=*/true);
   OwningPtr<CXTUOwner> CXTU(new CXTUOwner(MakeCXTranslationUnit(CXXIdx, Unit)));
 
   // Recover resources if we crash before exiting this method.
@@ -396,7 +397,9 @@ static void clang_indexSourceFile_Impl(void *UserData) {
                                                        OnlyLocalDecls,
                                                     /*CaptureDiagnostics=*/true,
                                                        PrecompilePreamble,
-                                                    CacheCodeCompletionResults);
+                                                    CacheCodeCompletionResults,
+                                 /*IncludeBriefCommentsInCodeCompletion=*/false,
+                                                 /*UserFilesAreVolatile=*/true);
   if (DiagTrap.hasErrorOccurred() && CXXIdx->getDisplayDiagnostics())
     printDiagsToStderr(Unit);