Store arguments descriptor in ICData. Remove loading of arguments descriptor at unoptimized call si…

runtime/vm/code_generator.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_CODE_GENERATOR_H_
 #define VM_CODE_GENERATOR_H_
 
 #include "vm/globals.h"
 #include "vm/runtime_entry.h"
 
@@ skipping 72 matching lines @@
 enum DeoptReasonId {
 #define DEFINE_ENUM_LIST(name) kDeopt##name,
 DEOPT_REASONS(DEFINE_ENUM_LIST)
 #undef DEFINE_ENUM_LIST
 };
 
 
 const char* DeoptReasonToText(intptr_t deopt_id);
 
 
-RawCode* ResolveCompileInstanceCallTarget(
-    const Instance& receiver,
-    const ICData& ic_data,
-    const Array& arguments_descriptor);
+RawCode* ResolveCompileInstanceCallTarget(const Instance& receiver,
+                                          const ICData& ic_data);
 
 void DeoptimizeAt(const Code& optimized_code, uword pc);
 void DeoptimizeAll();
 void DeoptimizeIfOwner(const GrowableArray<intptr_t>& classes);
 
 double DartModulo(double a, double b);
 
 }  // namespace dart
 
 #endif  // VM_CODE_GENERATOR_H_