we no longer have to handle labels on loops in block scoping

lib/6to5/transformation/transformers/es6/block-scoping.js

@@ -46,19 +46,8 @@ exports.Loop = function (node, parent, scope, context, file) {
     t.ensureBlock(node);
     node.body._letDeclarators = [init];
   }
-
-  if (t.isLabeledStatement(parent)) {
-    // set label so `run` has access to it
-    node.label = parent.label;
-  }
-
   var letScoping = new LetScoping(node, node.body, parent, scope, file);
   letScoping.run();
-
-  if (node.label && !t.isLabeledStatement(parent)) {
-    // we've been given a label so let's wrap ourselves
-    return t.labeledStatement(node.label, node);
-  }
 };
 
 exports.Program =