From c897e17c813e1040695c9bc27b9ec9cc15e5e44d Mon Sep 17 00:00:00 2001
From: Elizabeth Figura <zfigura@codeweavers.com>
Date: Fri, 15 Aug 2025 13:41:21 -0500
Subject: [PATCH] vkd3d-shader/hlsl: Ensure yacc tokens are positive.

Negative returns from yylex() signal EOF, which is not what we want here.
---
 libs/vkd3d-shader/hlsl.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/hlsl.l b/libs/vkd3d-shader/hlsl.l
index 0cdebb8a6..da9f0d391 100644
--- a/libs/vkd3d-shader/hlsl.l
+++ b/libs/vkd3d-shader/hlsl.l
@@ -346,7 +346,7 @@ while                   {return KW_WHILE;               }
 <pp>{ANY}               {}
 
 {ANY}                   {
-                            return yytext[0];
+                            return (unsigned char)yytext[0];
                         }
 
 %%