Get rid of static module allocation, do it in code.

src/contexts.cc

Index: src/contexts.cc
diff --git a/src/contexts.cc b/src/contexts.cc
index 93c9795404bb52690c6cc3c4e1b560b4f9a076c6..44226d8827f44484a3186b14275e74cc0c559f28 100644
--- a/src/contexts.cc
+++ b/src/contexts.cc
@@ -55,6 +55,15 @@ JSBuiltinsObject* Context::builtins() {
 }
 
 
+Context* Context::global_context() {
+  Context* current = this;
+  while (!current->IsGlobalContext()) {
+    current = current->previous();
+  }
+  return current;
+}
+
+
 Context* Context::native_context() {
   // Fast case: the global object for this context has been set.  In
   // that case, the global object has a direct pointer to the global
@@ -183,6 +192,10 @@ Handle<Object> Context::Lookup(Handle<String> name,
                 ? IMMUTABLE_CHECK_INITIALIZED_HARMONY :
                 IMMUTABLE_IS_INITIALIZED_HARMONY;
             break;
+          case MODULE:
+            *attributes = READ_ONLY;
+            *binding_flags = IMMUTABLE_IS_INITIALIZED_HARMONY;
+            break;
           case DYNAMIC:
           case DYNAMIC_GLOBAL:
           case DYNAMIC_LOCAL: