diff --git a/meta-oe/recipes-support/webkitgtk/webkitgtk3/0001-LowLevelInterpreter.cpp-339-21-error-t6-was-not-decl.patch b/meta-oe/recipes-support/webkitgtk/webkitgtk3/0001-LowLevelInterpreter.cpp-339-21-error-t6-was-not-decl.patch
new file mode 100644
index 0000000000..8909263fe4
--- /dev/null
+++ b/meta-oe/recipes-support/webkitgtk/webkitgtk3/0001-LowLevelInterpreter.cpp-339-21-error-t6-was-not-decl.patch
@@ -0,0 +1,38 @@
+From 6c4ff2210c36d6410ec287737d6a49f20c412332 Mon Sep 17 00:00:00 2001
+From: Michael Catanzaro <mcatanzaro@redhat.com>
+Date: Mon, 5 Feb 2024 11:00:49 -0600
+Subject: [PATCH] =?UTF-8?q?LowLevelInterpreter.cpp:339:21:=20error:=20?=
+ =?UTF-8?q?=E2=80=98t6=E2=80=99=20was=20not=20declared=20in=20this=20scope?=
+ =?UTF-8?q?=20https://bugs.webkit.org/show=5Fbug.cgi=3Fid=3D268739?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Unreviewed build fix. Seems a backport went badly, and we didn't notice
+because the code is architecture-specific.
+
+* Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:
+(JSC::CLoop::execute):
+
+Upstream-Status: Backport [https://github.com/WebKit/WebKit/commit/3d5373575695b293b8559155431d0079a6153aff]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ Source/JavaScriptCore/llint/LowLevelInterpreter.cpp | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp b/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
+index 5064ead6..9a2e2653 100644
+--- a/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
++++ b/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
+@@ -336,8 +336,6 @@ JSValue CLoop::execute(OpcodeID entryOpcodeID, void* executableAddress, VM* vm,
+     UNUSED_VARIABLE(t2);
+     UNUSED_VARIABLE(t3);
+     UNUSED_VARIABLE(t5);
+-    UNUSED_VARIABLE(t6);
+-    UNUSED_VARIABLE(t7);
+ 
+     struct StackPointerScope {
+         StackPointerScope(CLoopStack& stack)
+-- 
+2.43.2
+
diff --git a/meta-oe/recipes-support/webkitgtk/webkitgtk3_2.42.5.bb b/meta-oe/recipes-support/webkitgtk/webkitgtk3_2.42.5.bb
index d12ae2819c..234ecfae0c 100644
--- a/meta-oe/recipes-support/webkitgtk/webkitgtk3_2.42.5.bb
+++ b/meta-oe/recipes-support/webkitgtk/webkitgtk3_2.42.5.bb
@@ -14,6 +14,7 @@ SRC_URI = "https://www.webkitgtk.org/releases/webkitgtk-${PV}.tar.xz \
            file://reproducibility.patch \
            file://0d3344e17d258106617b0e6d783d073b188a2548.patch \
            file://no-musttail-arm.patch \
+           file://0001-LowLevelInterpreter.cpp-339-21-error-t6-was-not-decl.patch \
            "
 SRC_URI[sha256sum] = "b64278c1f20b8cfdbfb5ff573c37d871aba74a1db26d9b39f74e8953fe61e749"