Merge (7265, 7271] from bleeding_edge to experimental/gc branch....

src/x64/codegen-x64.h

Index: src/x64/codegen-x64.h
===================================================================
--- src/x64/codegen-x64.h	(revision 7563)
+++ src/x64/codegen-x64.h	(working copy)
@@ -733,6 +733,7 @@
   bool in_spilled_code_;
 
   friend class VirtualFrame;
+  friend class Isolate;
   friend class JumpTarget;
   friend class Reference;
   friend class Result;
@@ -741,6 +742,7 @@
   friend class FullCodeGenSyntaxChecker;
 
   friend class CodeGeneratorPatcher;  // Used in test-log-stack-tracer.cc
+  friend class InlineRuntimeFunctionsTable;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };