Pipe a script's CORS status through V8 during compilation.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 388187445fe524bdb5aa7d6e31f0c074b51abe34..e2b1b323ba7930d545d3116d6fbae73779f9f2f7 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5873,6 +5873,10 @@ class Script: public Struct {
   inline CompilationState compilation_state();
   inline void set_compilation_state(CompilationState state);
 
+  // [passed_access_check]: did the script pass access control checks (CORS)
+  // when loaded? Encodedin the 'flags' field.
+  DECL_BOOLEAN_ACCESSORS(passed_access_check)
+
   static inline Script* cast(Object* obj);
 
   // If script source is an external string, check that the underlying
@@ -5904,6 +5908,7 @@ class Script: public Struct {
   // Bit positions in the flags field.
   static const int kCompilationTypeBit = 0;
   static const int kCompilationStateBit = 1;
+  static const int kPassedAccessCheckBit = 2;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Script);
 };