Bail out in AstTraversalVisitor::VisitFunctionBody for lazy functions

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 e0f88e19a980be2a9fa5c5abe29e5f575b2ecbd8..38788769073a139d770cb619093ce901f3438e07 100644
--- a/src/ast/ast-traversal-visitor.h
+++ b/src/ast/ast-traversal-visitor.h
@@ -288,6 +288,8 @@ void AstTraversalVisitor<Subclass>::VisitFunctionLiteral(
   PROCESS_EXPRESSION(expr);
   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;
   RECURSE_EXPRESSION(VisitStatements(expr->body()));
 }