Remove the HValueOf instruction.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index 5d85b398cf6f3b4f2a2640770114ac46972dc7c4..8b1c055719ccb7a57b1347a8c851c9bba78bd3df 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -174,7 +174,6 @@ class LCodeGen;
   V(Uint32ToDouble)                             \
   V(Uint32ToSmi)                                \
   V(UnknownOSRValue)                            \
-  V(ValueOf)                                    \
   V(WrapReceiver)
 
 
@@ -1249,19 +1248,6 @@ class LElementsKind V8_FINAL : public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LValueOf V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LValueOf(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ValueOf, "value-of")
-  DECLARE_HYDROGEN_ACCESSOR(ValueOf)
-};
-
-
 class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 0> {
  public:
   LDateField(LOperand* date, Smi* index) : index_(index) {