[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/x64/codegen-x64.h

 // Copyright 2010 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 290 matching lines @@
   static bool MakeCode(CompilationInfo* info);
 
   // Printing of AST, etc. as requested by flags.
   static void MakeCodePrologue(CompilationInfo* info);
 
   // Allocate and install the code.
   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
                                        Code::Flags flags,
                                        CompilationInfo* info);
 
+  // Print the code after compiling it.
+  static void PrintCode(Handle<Code> code, CompilationInfo* info);
+
 #ifdef ENABLE_LOGGING_AND_PROFILING
   static bool ShouldGenerateLog(Expression* type);
 #endif
 
   static bool RecordPositions(MacroAssembler* masm,
                               int pos,
                               bool right_here = false);
 
   // Accessors
   MacroAssembler* masm() { return masm_; }
@@ skipping 42 matching lines @@
 
   // Track loop nesting level.
   int loop_nesting() const { return loop_nesting_; }
   void IncrementLoopNesting() { loop_nesting_++; }
   void DecrementLoopNesting() { loop_nesting_--; }
 
 
   // Node visitors.
   void VisitStatements(ZoneList<Statement*>* statements);
 
-#define DEF_VISIT(type) \
-  void Visit##type(type* node);
+  virtual void VisitSlot(Slot* node);
+#define DEF_VISIT(type)                         \
+  virtual void Visit##type(type* node);
   AST_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 
   // Visit a statement and then spill the virtual frame if control flow can
   // reach the end of the statement (ie, it does not exit via break,
   // continue, return, or throw).  This function is used temporarily while
   // the code generator is being transformed.
   void VisitAndSpill(Statement* statement);
 
   // Visit a list of statements and then spill the virtual frame if control
@@ skipping 353 matching lines @@
   friend class CodeGeneratorPatcher;  // Used in test-log-stack-tracer.cc
   friend class InlineRuntimeFunctionsTable;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_CODEGEN_X64_H_