raw_ostream: Forward declare OpenFlags and include FileSystem.h only where necessary.
llvm-svn: 207593
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index a843b9f..e5b98b8 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -31,6 +31,7 @@
#include "llvm/PassManager.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Threading.h"