From 9cb23bf2b344967d3de5217b73e9525782a34baf Mon Sep 17 00:00:00 2001
From: Alon Zakai <azakai@google.com>
Date: Wed, 14 Feb 2024 10:18:04 -0800
Subject: [PATCH] [NFC] Avoid a warning on an unused var (#6300)

---
 src/passes/RemoveUnusedBrs.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/passes/RemoveUnusedBrs.cpp b/src/passes/RemoveUnusedBrs.cpp
index 576f2fe9129..893cf9039bc 100644
--- a/src/passes/RemoveUnusedBrs.cpp
+++ b/src/passes/RemoveUnusedBrs.cpp
@@ -1566,7 +1566,8 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs>> {
           auto* condition = getProperBrIf(curr)->condition;
           if (auto* binary = condition->dynCast<Binary>()) {
             return binary->right->cast<Const>()->value.geti32();
-          } else if (auto* unary = condition->dynCast<Unary>()) {
+          } else if ([[maybe_unused]] auto* unary =
+                       condition->dynCast<Unary>()) {
             assert(unary->op == EqZInt32);
             return 0;
           } else {