PreParser: track variable declarations and parameters

src/ast/ast-traversal-visitor.h

Index: src/ast/ast-traversal-visitor.h
diff --git a/src/ast/ast-traversal-visitor.h b/src/ast/ast-traversal-visitor.h
index d93e02ffe0b2b634fb6ada9cc845f92285dbb24d..a17f08acb0a926c8a90abd79c37535872fbf7426 100644
--- a/src/ast/ast-traversal-visitor.h
+++ b/src/ast/ast-traversal-visitor.h
@@ -288,7 +288,7 @@ void AstTraversalVisitor<Subclass>::VisitFunctionLiteral(
   DeclarationScope* scope = expr->scope();
   RECURSE_EXPRESSION(VisitDeclarations(scope->declarations()));
   // A lazily parsed function literal won't have a body.
-  if (expr->scope()->is_lazily_parsed()) return;
+  if (expr->scope()->was_lazily_parsed()) return;
   RECURSE_EXPRESSION(VisitStatements(expr->body()));
 }