Remove unnecessary options from HTailCallThroughMegamorphicCache

src/arm64/lithium-arm64.h

Index: src/arm64/lithium-arm64.h
diff --git a/src/arm64/lithium-arm64.h b/src/arm64/lithium-arm64.h
index 0549689e796cadc575356c590ad62c3b4e12808e..1afed1a6074e9cb39f545caf044e74e9b166a980 100644
--- a/src/arm64/lithium-arm64.h
+++ b/src/arm64/lithium-arm64.h
@@ -318,23 +318,18 @@ class LTemplateInstruction : public LTemplateResultInstruction<R> {
 
 
 class LTailCallThroughMegamorphicCache FINAL
-    : public LTemplateInstruction<0, 5, 0> {
+    : public LTemplateInstruction<0, 3, 0> {
  public:
   LTailCallThroughMegamorphicCache(LOperand* context, LOperand* receiver,
-                                   LOperand* name, LOperand* slot,
-                                   LOperand* vector) {
+                                   LOperand* name) {
     inputs_[0] = context;
     inputs_[1] = receiver;
     inputs_[2] = name;
-    inputs_[3] = slot;
-    inputs_[4] = vector;
   }
 
   LOperand* context() { return inputs_[0]; }
   LOperand* receiver() { return inputs_[1]; }
   LOperand* name() { return inputs_[2]; }
-  LOperand* slot() { return inputs_[3]; }
-  LOperand* vector() { return inputs_[4]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TailCallThroughMegamorphicCache,
                                "tail-call-through-megamorphic-cache")