From 15291cdefa9b6ee3e16573cf90311ec4c9883543 Mon Sep 17 00:00:00 2001
From: Erik Faye-Lund <erik.faye-lund@collabora.com>
Date: Mon, 6 Nov 2023 12:56:19 +0100
Subject: [PATCH] mesa/ffvs: use unreachable instead of assert

Otherwise I trigger a compiler warning here about a potentially
unwritten variable. Let's just make it clear to the compiler what's
going on.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26064>
---
 src/mesa/main/ffvertex_prog.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index d69855048b4..bfa6e898528 100644
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -1065,8 +1065,7 @@ static void build_fog( struct tnl_program *p )
       fog = load_input(p, VERT_ATTRIB_FOG, glsl_float_type());
       break;
    default:
-      assert(!"Bad fog mode in build_fog()");
-      break;
+      unreachable("Bad fog mode in build_fog()");
    }
 
    store_output_float(p, VARYING_SLOT_FOGC, fog);