From 65684f6b50cecbfe50936422d3bef8a1e2e5ebff Mon Sep 17 00:00:00 2001
From: Chris Povirk <cpovirk@google.com>
Date: Mon, 10 Oct 2022 16:22:16 -0400
Subject: [PATCH] Add a comment.

---
 .../java/org/junit/internal/runners/ErrorReportingRunner.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/org/junit/internal/runners/ErrorReportingRunner.java b/src/main/java/org/junit/internal/runners/ErrorReportingRunner.java
index 20a0431b92fe..227f5a03bac0 100644
--- a/src/main/java/org/junit/internal/runners/ErrorReportingRunner.java
+++ b/src/main/java/org/junit/internal/runners/ErrorReportingRunner.java
@@ -37,6 +37,10 @@ public ErrorReportingRunner(Throwable cause, Class<?>... testClasses) {
     @Override
     public Description getDescription() {
         Description description = Description.createSuiteDescription(classNames);
+        /*
+         * Use an indexed loop instead of a foreach: That avoids declaring a variable that some
+         * tools will see as "unused."
+         */
         for (int i = 0; i < causes.size(); i++) {
             description.addChild(describeCause());
         }