Re-land Crankshaft-generated KeyedLoad stubs.

src/x64/macro-assembler-x64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 61 matching lines @@
 
 struct SmiIndex {
   SmiIndex(Register index_register, ScaleFactor scale)
       : reg(index_register),
         scale(scale) {}
   Register reg;
   ScaleFactor scale;
 };
 
 
+void IterateCompiledFrame(const StandardFrame* frame, ObjectVisitor* v);
+
+
 // MacroAssembler implements a collection of frequently used macros.
 class MacroAssembler: public Assembler {
  public:
   // The isolate parameter can be NULL if the macro assembler should
   // not use isolate-dependent functionality. In this case, it's the
   // responsibility of the caller to never invoke such function on the
   // macro assembler.
   MacroAssembler(Isolate* isolate, void* buffer, int size);
 
   // Prevent the use of the RootArray during the lifetime of this
@@ skipping 1317 matching lines @@
   void JumpToHandlerEntry();
 
   // Compute memory operands for safepoint stack slots.
   Operand SafepointRegisterSlot(Register reg);
   static int SafepointRegisterStackIndex(int reg_code) {
     return kNumSafepointRegisters - kSafepointPushRegisterIndices[reg_code] - 1;
   }
 
   // Needs access to SafepointRegisterStackIndex for compiled frame
   // traversal.
-  friend class CompiledFrame;
+  friend void IterateCompiledFrame(const StandardFrame* frame,
+                                   ObjectVisitor* v);
 };
 
 
 // The code patcher is used to patch (typically) small parts of code e.g. for
 // debugging and other types of instrumentation. When using the code patcher
 // the exact number of bytes specified must be emitted. Is not legal to emit
 // relocation information. If any of these constraints are violated it causes
 // an assertion.
 class CodePatcher {
  public:
@@ skipping 67 matching lines @@
     masm->popfd();                                                        \
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_