From c867cd96956a2c5034496362c4a530b97fefe4b8 Mon Sep 17 00:00:00 2001
From: Fabio Valentini <decathorpe@gmail.com>
Date: Fri, 13 Jan 2023 17:35:44 +0100
Subject: [PATCH 2/3] Fix UB in pred_max test

Backport of upstream commit:
https://github.com/xiph/rav1e/commit/d56fe642bbbd8fe3d20c851b950db3fcaea53c7a
---
 src/predict.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/predict.rs b/src/predict.rs
index 8e0108a..6058ccb 100644
--- a/src/predict.rs
+++ b/src/predict.rs
@@ -1542,7 +1542,7 @@ mod test {
       }
     }
 
-    let above_left = unsafe { *above.as_ptr().offset(-1) };
+    let above_left = max12bit;
 
     pred_paeth(
       &mut o.as_region_mut(),
-- 
2.39.2