Make AssociativeOpt static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51290 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 41e528a..82d9fa8 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -2212,7 +2212,7 @@
 /// 'shouldApply' and 'apply' methods.
 ///
 template<typename Functor>
-Instruction *AssociativeOpt(BinaryOperator &Root, const Functor &F) {
+static Instruction *AssociativeOpt(BinaryOperator &Root, const Functor &F) {
   unsigned Opcode = Root.getOpcode();
   Value *LHS = Root.getOperand(0);