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

src/scopeinfo.cc

Index: src/scopeinfo.cc
diff --git a/src/scopeinfo.cc b/src/scopeinfo.cc
index 02b4323980f30218e51059a5ebc287fd64c72b09..c9fd56d3a6abcec5778ca4d8a3a3121bcc756972 100644
--- a/src/scopeinfo.cc
+++ b/src/scopeinfo.cc
@@ -321,6 +321,7 @@ int ScopeInfo::ContextSlotIndex(String* name,
         return result;
       }
     }
+    // Cache as not found. Mode and init flag don't matter.
     context_slot_cache->Update(this, name, INTERNAL, kNeedsInitialization, -1);
   }
   return -1;
@@ -504,4 +505,33 @@ void ScopeInfo::Print() {
 }
 #endif  // DEBUG
 
+
+//---------------------------------------------------------------------------
+// ModuleDescription.
+
+Handle<ModuleDescription> ModuleDescription::Create(
+    Isolate* isolate, Interface* interface, Scope* scope) {
+  Handle<ModuleDescription> description =
+      Allocate(isolate, interface->Length());
+  description->set_host_index(interface->Index());
+  int i = 0;
+  for (Interface::Iterator it = interface->iterator();
+       !it.done(); it.Advance(), ++i) {
+    Variable* var = scope->LocalLookup(it.name());
+    description->set_name(i, *it.name());
+    description->set_mode(i, var->mode());
+    ASSERT((var->mode() == MODULE) == (it.interface()->IsModule()));
+    if (var->mode() == MODULE) {
+      ASSERT(it.interface()->IsFrozen());
+      ASSERT(it.interface()->Index() >= 0);
+      description->set_index(i, it.interface()->Index());
+    } else {
+      ASSERT(var->index() >= 0);
+      description->set_index(i, var->index());
+    }
+  }
+  ASSERT(i == description->length());
+  return description;
+}
+
 } }  // namespace v8::internal