From 0ab3b3c641fa67f1f538c3b9e21f6a1dcb802081 Mon Sep 17 00:00:00 2001
From: Gert Wollny <gert.wollny@collabora.com>
Date: Mon, 29 Jan 2024 21:35:24 +0100
Subject: [PATCH] nir/builder: Fix compilation with gcc-13 when tsan is enabled
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../src/compiler/nir/nir_builder.h: In function ‘nir_build_deref_follower’:
../src/compiler/nir/nir_builder.h:1607:1: error: control reaches end of non-void function [-Werror=return-type]
 1607 | }

Fixes: 4a4e1757381c65653fd6a81cf4e969ddff926ed5
    nir: Support deref instructions in lower_var_copies

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27345>
---
 src/compiler/nir/nir_builder.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index a16ece60e9a..381eebb52a3 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -1604,6 +1604,7 @@ nir_build_deref_follower(nir_builder *b, nir_deref_instr *parent,
    default:
       unreachable("Invalid deref instruction type");
    }
+   return NULL;
 }
 
 static inline nir_def *