From 757da7b9324eaa8200e8ab9959226a337651fb45 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijn@haverbeke.berlin>
Date: Thu, 18 Apr 2024 08:53:54 +0200
Subject: [PATCH] Actually initialize branchID in RegExpValidationState
 constuctor

Issue https://github.com/acornjs/acorn/pull/1293
---
 acorn/src/regexp.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/acorn/src/regexp.js b/acorn/src/regexp.js
index eaebceb14..65e5dc019 100644
--- a/acorn/src/regexp.js
+++ b/acorn/src/regexp.js
@@ -50,6 +50,7 @@ export class RegExpValidationState {
     this.maxBackReference = 0
     this.groupNames = Object.create(null)
     this.backReferenceNames = []
+    this.branchID = null
   }
 
   reset(start, pattern, flags) {