Reviewers: rossberg,

Description:
Add assertion about module scopes to Scope::ContextChainLength.

[email protected]

Please review this at https://codereview.chromium.org/14513002/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
  M src/scopes.cc


Index: src/scopes.cc
diff --git a/src/scopes.cc b/src/scopes.cc
index 5ad970ad814f1d6ffc06e4b7b04cac57806fa1a8..208dc76ac7a2b15736bbec66a8801a284b842dc4 100644
--- a/src/scopes.cc
+++ b/src/scopes.cc
@@ -727,8 +727,9 @@ int Scope::ContextChainLength(Scope* scope) {
   for (Scope* s = this; s != scope; s = s->outer_scope_) {
     ASSERT(s != NULL);  // scope must be in the scope chain
     if (s->is_with_scope() || s->num_heap_slots() > 0) n++;
-    // Catch scopes always have heap slots.
+    // Catch and module scopes always have heap slots.
     ASSERT(!s->is_catch_scope() || s->num_heap_slots() > 0);
+    ASSERT(!s->is_module_scope() || s->num_heap_slots() > 0);
   }
   return n;
 }


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