Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE

This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.

FPIIM-449

Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/src/debug/debug-frames.h b/src/debug/debug-frames.h
index c0d20bb..c04fd2b 100644
--- a/src/debug/debug-frames.h
+++ b/src/debug/debug-frames.h
@@ -21,12 +21,12 @@
   ~FrameInspector();
 
   int GetParametersCount();
-  Object* GetFunction();
-  Object* GetParameter(int index);
-  Object* GetExpression(int index);
+  Handle<Object> GetFunction();
+  Handle<Object> GetParameter(int index);
+  Handle<Object> GetExpression(int index);
   int GetSourcePosition();
   bool IsConstructor();
-  Object* GetContext();
+  Handle<Object> GetContext();
 
   JavaScriptFrame* GetArgumentsFrame() { return frame_; }
   void SetArgumentsFrame(JavaScriptFrame* frame);
@@ -48,6 +48,7 @@
   DeoptimizedFrameInfo* deoptimized_frame_;
   Isolate* isolate_;
   bool is_optimized_;
+  bool is_interpreted_;
   bool is_bottommost_;
   bool has_adapted_arguments_;