[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/prettyprinter.h

Index: src/prettyprinter.h
diff --git a/src/prettyprinter.h b/src/prettyprinter.h
index a57fc61d541074ae20e4047ff3242bc575061a92..284a93f32aa10300e61d06e4c58854bf9916aafb 100644
--- a/src/prettyprinter.h
+++ b/src/prettyprinter.h
@@ -51,6 +51,7 @@ class PrettyPrinter: public AstVisitor {
   // Print a node to stdout.
   static void PrintOut(AstNode* node);
 
+  virtual void VisitSlot(Slot* node);
   // Individual nodes
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
@@ -85,9 +86,11 @@ class AstPrinter: public PrettyPrinter {
   const char* PrintProgram(FunctionLiteral* program);
 
   // Individual nodes
+  virtual void VisitSlot(Slot* node);
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
+
  private:
   friend class IndentedScope;
   void PrintIndented(const char* txt);
@@ -160,6 +163,7 @@ class JsonAstBuilder: public PrettyPrinter {
   void AddAttribute(const char* name, bool value);
 
   // AST node visit functions.
+  virtual void VisitSlot(Slot* node);
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT