Implement proper module linking.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 274f1dccae9ec19980bea3be09cced6db9b4ac1c..af39f7b774dc65067afbb6bdd46015b695b06d3c 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -3530,7 +3530,7 @@ class ScopeInfo : public FixedArray {
   FOR_EACH_NUMERIC_FIELD(DECL_INDEX)
 #undef DECL_INDEX
 #undef FOR_EACH_NUMERIC_FIELD
-  kVariablePartIndex
+    kVariablePartIndex
   };
 
   // The layout of the variable part of a ScopeInfo is as follows:
@@ -5555,6 +5555,9 @@ class SharedFunctionInfo: public HeapObject {
   // Indicates that the function cannot be inlined.
   DECL_BOOLEAN_ACCESSORS(dont_inline)
 
+  // Indicates that code for this function cannot be cached.
+  DECL_BOOLEAN_ACCESSORS(dont_cache)
+
   // Indicates whether or not the code in the shared function support
   // deoptimization.
   inline bool has_deoptimization_support();
@@ -5789,6 +5792,7 @@ class SharedFunctionInfo: public HeapObject {
     kIsFunction,
     kDontOptimize,
     kDontInline,
+    kDontCache,
     kCompilerHintsCount  // Pseudo entry
   };
 
@@ -5855,6 +5859,9 @@ class JSModule: public JSObject {
   // [context]: the context holding the module's locals, or undefined if none.
   DECL_ACCESSORS(context, Object)
 
+  // [scope_info]: Scope info.
+  DECL_ACCESSORS(scope_info, ScopeInfo)
+
   // Casting.
   static inline JSModule* cast(Object* obj);
 
@@ -5871,7 +5878,8 @@ class JSModule: public JSObject {
 
   // Layout description.
   static const int kContextOffset = JSObject::kHeaderSize;
-  static const int kSize = kContextOffset + kPointerSize;
+  static const int kScopeInfoOffset = kContextOffset + kPointerSize;
+  static const int kSize = kScopeInfoOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSModule);