Add spread rewriting

src/ast/ast-expression-visitor.cc

Index: src/ast/ast-expression-visitor.cc
diff --git a/src/ast/ast-expression-visitor.cc b/src/ast/ast-expression-visitor.cc
index 6ee2d5988ce83c8d5ee013a75c73b4328373a9be..73ad7de2842324fcdbb09e55ce48237d5a98fc98 100644
--- a/src/ast/ast-expression-visitor.cc
+++ b/src/ast/ast-expression-visitor.cc
@@ -171,6 +171,13 @@ void AstExpressionVisitor::VisitForInStatement(ForInStatement* stmt) {
 
 void AstExpressionVisitor::VisitForOfStatement(ForOfStatement* stmt) {
   RECURSE(Visit(stmt->iterable()));
+  // TODO(nikolaos): Decide; if the next five should not be here, they
+  // can go to a VisitForOfStatement in parameter-initializer-rewriter.cc.
+  RECURSE(Visit(stmt->each()));
+  RECURSE(Visit(stmt->assign_iterator()));
+  RECURSE(Visit(stmt->next_result()));
+  RECURSE(Visit(stmt->result_done()));
+  RECURSE(Visit(stmt->assign_each()));
   RECURSE(Visit(stmt->body()));
 }