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

runtime/vm/stub_code.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/stub_code.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/disassembler.h"
 #include "vm/flags.h"
@@ skipping 99 matching lines @@
       OS::Print("Code for allocation stub '%s': {\n", name);
       Disassembler::Disassemble(stub.EntryPoint(),
                                 stub.EntryPoint() + assembler.CodeSize());
       OS::Print("}\n");
     }
   }
   return stub.raw();
 }
 
 
-RawCode* StubCode::GetAllocationStubForClosure(const Function& func) {
-  Code& stub = Code::Handle(func.closure_allocation_stub());
-  if (stub.IsNull()) {
-    Assembler assembler;
-    const char* name = func.ToCString();
-    StubCode::GenerateAllocationStubForClosure(&assembler, func);
-    stub ^= Code::FinalizeCode(name, &assembler);
-    func.set_closure_allocation_stub(stub);
-    if (FLAG_disassemble_stubs) {
-      OS::Print("Code for closure allocation stub '%s': {\n", name);
-      Disassembler::Disassemble(stub.EntryPoint(),
-                                stub.EntryPoint() + assembler.CodeSize());
-      OS::Print("}\n");
-    }
-  }
-  return stub.raw();
-}
-
-
 RawCode* StubCode::Generate(const char* name,
                             void (*GenerateStub)(Assembler* assembler)) {
   Assembler assembler;
   GenerateStub(&assembler);
   const Code& code = Code::Handle(Code::FinalizeCode(name, &assembler));
   if (FLAG_disassemble_stubs) {
     OS::Print("Code for stub '%s': {\n", name);
     Disassembler::Disassemble(code.EntryPoint(),
                               code.EntryPoint() + assembler.CodeSize());
     OS::Print("}\n");
@@ skipping 11 matching lines @@
   VM_STUB_CODE_LIST(STUB_CODE_TESTER);
   Isolate* isolate = Isolate::Current();
   if ((isolate != NULL) && (isolate->stub_code() != NULL)) {
     STUB_CODE_LIST(STUB_CODE_TESTER);
   }
 #undef STUB_CODE_TESTER
   return NULL;
 }
 
 }  // namespace dart