From b59d91e86aacd7e4e3e4553416adcddc0e775d8f Mon Sep 17 00:00:00 2001
From: Richard Barnes <rbarnes@meta.com>
Date: Tue, 5 Dec 2023 11:58:33 -0800
Subject: [PATCH] Use C++17 [[fallthrough]] in 1 file inc
 cachelib/allocator/MM2Q-inl.h

Reviewed By: jaesoo-fb

Differential Revision: D51778168

fbshipit-source-id: 497809a9ca0c88dd95038effbc157b00d1961448
---
 cachelib/allocator/MM2Q-inl.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cachelib/allocator/MM2Q-inl.h b/cachelib/allocator/MM2Q-inl.h
index ba388d40a4..4f6f47d5f7 100644
--- a/cachelib/allocator/MM2Q-inl.h
+++ b/cachelib/allocator/MM2Q-inl.h
@@ -335,7 +335,8 @@ bool MM2Q::Container<T, HookPtr>::replace(T& oldNode, T& newNode) noexcept {
       markHot(newNode);
       break;
     case LruType::ColdTail:
-      markTail(newNode); // pass through to also mark cold
+      markTail(newNode);
+      [[fallthrough]]; // pass through to also mark cold
     case LruType::Cold:
       markCold(newNode);
       break;