From 210993a13becbd99b2f36ccae7d0be8f54d2e60b Mon Sep 17 00:00:00 2001
From: Job Noorman <jnoorman@igalia.com>
Date: Fri, 6 Feb 2026 15:03:57 +0100
Subject: [PATCH] ir3/parser: make bison fail on warnings

This should hopefully prevent shift/reduce issues in the future. To help
debugging, also make bison always generate counterexamples.

Signed-off-by: Job Noorman <jnoorman@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39735>
---
 src/freedreno/ir3/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/freedreno/ir3/meson.build b/src/freedreno/ir3/meson.build
index 714597745c7..8668f7c5d5f 100644
--- a/src/freedreno/ir3/meson.build
+++ b/src/freedreno/ir3/meson.build
@@ -50,7 +50,7 @@ ir3_parser = custom_target(
   input: 'ir3_parser.y',
   output: ['ir3_parser.c', 'ir3_parser.h'],
   command: [
-    prog_bison, '@INPUT@', '--name-prefix=ir3_yy', '--defines=@OUTPUT1@', '--output=@OUTPUT0@'
+    prog_bison, '@INPUT@', '--name-prefix=ir3_yy', '--defines=@OUTPUT1@', '--output=@OUTPUT0@', '-Werror', '-Wcounterexamples'
   ]
 )