From 56e7768b2b0865e1a607f39ac3d0fab7a630e3c1 Mon Sep 17 00:00:00 2001
From: blickly <blickly@google.com>
Date: Wed, 29 Jan 2025 19:31:03 +0000
Subject: [PATCH] Mark an effectively final field

PiperOrigin-RevId: 721050335
---
 src/com/google/javascript/jscomp/regex/RegExpTree.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/com/google/javascript/jscomp/regex/RegExpTree.java b/src/com/google/javascript/jscomp/regex/RegExpTree.java
index b9cc1b0daa5..cec479cf459 100644
--- a/src/com/google/javascript/jscomp/regex/RegExpTree.java
+++ b/src/com/google/javascript/jscomp/regex/RegExpTree.java
@@ -113,7 +113,7 @@ class Parser {
       int numCapturingGroups;
 
       /** The names of capturing groups in the regex expression */
-      Set<String> capturingGroupNames = new LinkedHashSet<>();
+      final Set<String> capturingGroupNames = new LinkedHashSet<>();
 
       /** The length of pattern. */
       final int limit = pattern.length();