1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index 241a2c3296..5a9f077263 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -667,7 +667,8 @@ ASTUnit *ASTUnit::LoadFromASTFile(const std::string &Filename,
   AST->SourceMgr = new SourceManager(AST->getDiagnostics(),
                                      AST->getFileManager());
   AST->HeaderInfo.reset(new HeaderSearch(AST->getFileManager(),
-                                         AST->getDiagnostics()));
+                                         AST->getDiagnostics(),
+                                         AST->ASTFileLangOpts));
   
   for (unsigned I = 0; I != NumRemappedFiles; ++I) {
     FilenameOrMemBuf fileOrBuf = RemappedFiles[I].second;