Submitted by:            Xi Ruoyao <xry111@xry111.site>
Modified by:             Pierre Labastie <pierre dot labastie at neuf dot fr>
Date:                    2026-09-05
Initial Package Version: Firefox 153.2.0 (also applicable for SpiderMonkey
                         140.14.0 and Thunderbird 153.2.0)
Upstream Status:         Applied in tip but not the ESR branches
                         harfbuzz commit 5e887d36722a (synced into mozilla-
                         central at commit b71906b223a6, the change removing
                         a previous incorrect change removed)
Description:             Allow building firefox with clang 23
                         A rust fix has been removed from the initial patch

diff --git a/src/hb.hh b/src/hb.hh
index 2458c1b3ab1..5d7c45c7941 100644
--- a/gfx/harfbuzz/src/hb.hh
+++ b/gfx/harfbuzz/src/hb.hh
@@ -152,6 +151,7 @@
 #pragma GCC diagnostic ignored "-Wrange-loop-analysis" // https://github.com/harfbuzz/harfbuzz/issues/2834
 #pragma GCC diagnostic ignored "-Wstrict-aliasing"
 #pragma GCC diagnostic ignored "-Wtype-limits"
+#pragma GCC diagnostic ignored "-Wunused-template"
 #pragma GCC diagnostic ignored "-Wc++11-compat" // only gcc raises it
 #endif