diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 1c2a87cda0b..8e571cf8ce7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3882,7 +3882,7 @@ isAllocatableRegister(unsigned Reg, MachineFunction &MF,
 namespace llvm {
 /// AsmOperandInfo - This contains information for each constraint that we are
 /// lowering.
-struct SDISelAsmOperandInfo : public TargetLowering::AsmOperandInfo {
+struct VISIBILITY_HIDDEN SDISelAsmOperandInfo : public TargetLowering::AsmOperandInfo {
   /// CallOperand - If this is the result output operand or a clobber
   /// this is null, otherwise it is the incoming operand to the CallInst.
   /// This gets modified as the asm is processed.