From 75b2067cef2b97947f486085d8958f8fa628ca97 Mon Sep 17 00:00:00 2001
From: Zygo Blaxell <bees@furryterror.org>
Date: Sun, 7 May 2023 21:16:40 -0400
Subject: [PATCH] btrfs-tree: fix build on clang++16

The "loops" variable isn't read (only set) if not built with extra
debug code.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
---
 lib/btrfs-tree.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/btrfs-tree.cc b/lib/btrfs-tree.cc
index 97bb522..d597d68 100644
--- a/lib/btrfs-tree.cc
+++ b/lib/btrfs-tree.cc
@@ -548,7 +548,7 @@ namespace crucible {
 	#endif
 		const uint64_t logical_end = logical + count * block_size();
 		BtrfsTreeItem bti = rlower_bound(logical);
-		size_t loops = 0;
+		size_t __attribute__((unused)) loops = 0;
 		BCTFGS_DEBUG("get_sums " << to_hex(logical) << ".." << to_hex(logical_end) << endl);
 		while (!!bti) {
 			BCTFGS_DEBUG("get_sums[" << loops << "]: " << bti << endl);