Merge bleeding edge into the GC branch up to 7948. The asserts

src/execution.h

Index: src/execution.h
===================================================================
--- src/execution.h	(revision 7948)
+++ src/execution.h	(working copy)
@@ -28,6 +28,8 @@
 #ifndef V8_EXECUTION_H_
 #define V8_EXECUTION_H_
 
+#include "allocation.h"
+
 namespace v8 {
 namespace internal {
 
@@ -52,7 +54,7 @@
   // *pending_exception tells whether the invoke resulted in
   // a pending exception.
   //
-  static Handle<Object> Call(Handle<JSFunction> func,
+  static Handle<Object> Call(Handle<Object> callable,
                              Handle<Object> receiver,
                              int argc,
                              Object*** args,
@@ -145,6 +147,8 @@
   // Get a function delegate (or undefined) for the given non-function
   // object. Used for support calling objects as constructors.
   static Handle<Object> GetConstructorDelegate(Handle<Object> object);
+  static Handle<Object> TryGetConstructorDelegate(Handle<Object> object,
+                                                  bool* has_pending_exception);
 };
 
 
@@ -257,7 +261,7 @@
     void Clear();
 
     // Returns true if the heap's stack limits should be set, false if not.
-    bool Initialize();
+    bool Initialize(Isolate* isolate);
 
     // The stack limit is split into a JavaScript and a C++ stack limit. These
     // two are the same except when running on a simulator where the C++ and