Implicit variable scoping

performance/shopify/comment_form.rb

@@ -15,7 +15,7 @@ class CommentForm < Liquid::Block
   def render(context)
     article = context[@variable_name]
 
-    context.stack do
+    context.stack('form') do
       context['form'] = {
         'posted_successfully?' => context.registers[:posted_successfully],
         'errors' => context['comment.errors'],

performance/shopify/paginate.rb

@@ -24,7 +24,7 @@ class Paginate < Liquid::Block
   def render(context)
     @context = context
 
-    context.stack do
+    context.stack('paginate') do
       current_page  = context['current_page'].to_i
 
       pagination = {