1 files changed, 6 insertions, 2 deletions
diff --git a/deps/v8/src/compiler/value-numbering-reducer.h b/deps/v8/src/compiler/value-numbering-reducer.h
index f700c85bc0..521ce59f20 100644
--- a/deps/v8/src/compiler/value-numbering-reducer.h
+++ b/deps/v8/src/compiler/value-numbering-reducer.h
@@ -5,13 +5,16 @@
 #ifndef V8_COMPILER_VALUE_NUMBERING_REDUCER_H_
 #define V8_COMPILER_VALUE_NUMBERING_REDUCER_H_
 
+#include "src/base/compiler-specific.h"
 #include "src/compiler/graph-reducer.h"
+#include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-class ValueNumberingReducer final : public Reducer {
+class V8_EXPORT_PRIVATE ValueNumberingReducer final
+    : public NON_EXPORTED_BASE(Reducer) {
  public:
   explicit ValueNumberingReducer(Zone* temp_zone, Zone* graph_zone);
   ~ValueNumberingReducer();
@@ -19,8 +22,9 @@ class ValueNumberingReducer final : public Reducer {
   Reduction Reduce(Node* node) override;
 
  private:
-  enum { kInitialCapacity = 256u, kCapacityToSizeRatio = 2u };
+  enum { kInitialCapacity = 256u };
 
+  Reduction ReplaceIfTypesMatch(Node* node, Node* replacement);
   void Grow();
   Zone* temp_zone() const { return temp_zone_; }
   Zone* graph_zone() const { return graph_zone_; }