1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/Internalize.cpp b/lib/Transforms/IPO/Internalize.cpp
index eebc70a47f..a1ebe956e5 100644
--- a/lib/Transforms/IPO/Internalize.cpp
+++ b/lib/Transforms/IPO/Internalize.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Module.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/ADT/Statistic.h"
 #include <fstream>
@@ -41,7 +42,7 @@ namespace {
           cl::desc("A list of symbol names to preserve"),
           cl::CommaSeparated);
 
-  class InternalizePass : public ModulePass {
+  class VISIBILITY_HIDDEN InternalizePass : public ModulePass {
     std::set<std::string> ExternalNames;
     bool DontInternalize;
   public: