VM: Small generated code size improvements on x64.

runtime/vm/code_patcher_arm64.cc

 // Copyright (c) 2014, 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_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
 #include "vm/instructions.h"
 #include "vm/object.h"
 
 namespace dart {
 
-RawArray* CodePatcher::GetClosureArgDescAt(uword return_address,
-                                           const Code& code) {
-  ASSERT(code.ContainsInstructionAt(return_address));
-  CallPattern call(return_address, code);
-  return call.ClosureArgumentsDescriptor();
-}
-
-
 uword CodePatcher::GetStaticCallTargetAt(uword return_address,
                                          const Code& code) {
   ASSERT(code.ContainsInstructionAt(return_address));
   CallPattern call(return_address, code);
   return call.TargetAddress();
 }
 
 
 void CodePatcher::PatchStaticCallAt(uword return_address,
                                     const Code& code,
@@ skipping 128 matching lines @@
 
 RawObject* CodePatcher::GetEdgeCounterAt(uword pc, const Code& code) {
   ASSERT(code.ContainsInstructionAt(pc));
   EdgeCounter counter(pc, code);
   return counter.edge_counter();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64