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..44d8f64c56ae50fa7fae1942ce9b6b63aabd25a6 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;