Allocate instance closures similarly to regular closures, i.e. without a

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2013, 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/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 5080 matching lines @@
 void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Code& stub = Code::Handle(StubCode::GetAllocationStubForClass(cls()));
   const ExternalLabel label(cls().ToCString(), stub.EntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(ArgumentCount());  // Discard arguments.
 }
 
-
-LocationSummary* CreateClosureInstr::MakeLocationSummary(bool opt) const {
-  return MakeCallSummary();
-}
-
-
-void CreateClosureInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
-  const Function& closure_function = function();
-  ASSERT(!closure_function.IsImplicitStaticClosureFunction());
-  const Code& stub = Code::Handle(
-      StubCode::GetAllocationStubForClosure(closure_function));
-  const ExternalLabel label(closure_function.ToCString(), stub.EntryPoint());
-  compiler->GenerateCall(token_pos(),
-                         &label,
-                         PcDescriptors::kOther,
-                         locs());
-  __ Drop(2);  // Discard type arguments and receiver.
-}
-
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64