eliminate VISIBILITY_HIDDEN from Transforms/Scalar.  PR4861


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80766 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index a158f0a..fd74a03 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -296,8 +296,7 @@
 //===----------------------------------------------------------------------===//
 
 namespace {
-
-  class VISIBILITY_HIDDEN MemCpyOpt : public FunctionPass {
+  class MemCpyOpt : public FunctionPass {
     bool runOnFunction(Function &F);
   public:
     static char ID; // Pass identification, replacement for typeid