VM: Remove unused IsClosureCall bit from IC data.

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 11277 matching lines @@
   }
   // Warning issued in ic miss handler.
   // No decoding necessary, so allow optimization if warning already issued.
   if (name.Equals(Symbols::toString()) && !IssuedJSWarning()) {
     return true;
   }
   return false;
 }
 
 
-bool ICData::IsClosureCall() const {
-  return IsClosureCallBit::decode(raw_ptr()->state_bits_);
-}
-
-
-void ICData::SetIsClosureCall() const {
-  raw_ptr()->state_bits_ =
-      IsClosureCallBit::update(true, raw_ptr()->state_bits_);
-}
-
-
 void ICData::set_state_bits(uint32_t bits) const {
   raw_ptr()->state_bits_ = bits;
 }
 
 
 intptr_t ICData::TestEntryLengthFor(intptr_t num_args) {
   return num_args + 1 /* target function*/ + 1 /* frequency */;
 }
 
 
@@ skipping 8380 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart