1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index e369f430b7..71f9c0dada 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -1122,7 +1122,9 @@ ASTUnit::ComputePreamble(CompilerInvocation &Invocation,
     CreatedBuffer = true;
   }
   
-  return std::make_pair(Buffer, Lexer::ComputePreamble(Buffer, MaxLines));
+  return std::make_pair(Buffer, Lexer::ComputePreamble(Buffer,
+                                                       Invocation.getLangOpts(),
+                                                       MaxLines));
 }
 
 static llvm::MemoryBuffer *CreatePaddedMainFileBuffer(llvm::MemoryBuffer *Old,