From a79931421c45bd014084c98213608a6c00f50b77 Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Sat, 11 Apr 2026 23:35:33 -0700
Subject: [PATCH] jay: Assert that source is not null in jay_copy_strided

Catch bugs earlier.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40960>
---
 src/intel/compiler/jay/jay_builder.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/intel/compiler/jay/jay_builder.h b/src/intel/compiler/jay/jay_builder.h
index b6460385054..e5cd7814e55 100644
--- a/src/intel/compiler/jay/jay_builder.h
+++ b/src/intel/compiler/jay/jay_builder.h
@@ -603,6 +603,8 @@ _jay_SEND(jay_builder *b, const struct jayb_send_params p)
 static inline void
 jay_copy_strided(jay_builder *b, jay_def dst, jay_def src, bool src_strided)
 {
+   assert(!jay_is_null(src));
+
    unsigned src_stride = src_strided ? jay_ugpr_per_grf(b->shader) : 1;
    uint32_t n = MIN2(jay_num_values(dst), jay_num_values(src) / src_stride);