VM: Remove unused IsClosureCall bit from IC data.

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3483 matching lines @@
   bool HasDeoptReason(ICData::DeoptReasonId reason) const;
   void AddDeoptReason(ICData::DeoptReasonId reason) const;
 
   bool IssuedJSWarning() const;
   void SetIssuedJSWarning() const;
 
   // Return true if the target function of this IC data may check for (and
   // possibly issue) a Javascript compatibility warning.
   bool MayCheckForJSWarning() const;
 
-  bool IsClosureCall() const;
-  void SetIsClosureCall() const;
-
   intptr_t NumberOfChecks() const;
 
   // Discounts any checks with usage of zero.
   intptr_t NumberOfUsedChecks() const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawICData));
   }
 
   static intptr_t target_name_offset() {
@@ skipping 110 matching lines @@
   void SetNumArgsTested(intptr_t value) const;
   void set_ic_data(const Array& value) const;
   void set_state_bits(uint32_t bits) const;
 
   enum {
     kNumArgsTestedPos = 0,
     kNumArgsTestedSize = 2,
     kDeoptReasonPos = kNumArgsTestedPos + kNumArgsTestedSize,
     kDeoptReasonSize = kDeoptNumReasons,
     kIssuedJSWarningBit = kDeoptReasonPos + kDeoptReasonSize,
-    kIsClosureCallBit = kIssuedJSWarningBit + 1,
   };
 
   class NumArgsTestedBits : public BitField<uint32_t,
       kNumArgsTestedPos, kNumArgsTestedSize> {};  // NOLINT
   class DeoptReasonBits : public BitField<uint32_t,
       ICData::kDeoptReasonPos, ICData::kDeoptReasonSize> {};  // NOLINT
   class IssuedJSWarningBit : public BitField<bool, kIssuedJSWarningBit, 1> {};
-  class IsClosureCallBit : public BitField<bool, kIsClosureCallBit, 1> {};
 
 #if defined(DEBUG)
   // Used in asserts to verify that a check is not added twice.
   bool HasCheck(const GrowableArray<intptr_t>& cids) const;
 #endif  // DEBUG
 
   intptr_t TestEntryLength() const;
   void WriteSentinel(const Array& data) const;
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(ICData, Object);
@@ skipping 3764 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_