From 36ba2e31f6a0a7b5e373627cb6c8f0b623213d53 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Fri, 4 Nov 2022 20:48:02 +0800
Subject: [PATCH] glsl: fixes -Werror,-Wunused-but-set-variable for clang-15 in
 glcpp-parse.y and glsl_parser.yy

error messages:
src/compiler/glsl/glcpp/glcpp-parse.c:1691:9: error: variable 'glcpp_parser_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
    int yynerrs = 0;
        ^

src/compiler/glsl/glsl_parser.cpp:2370:9: error: variable '_mesa_glsl_nerrs' set but not used [-Werror,-Wunused-but-set-variable]
    int yynerrs = 0;
        ^

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19875>
---
 src/compiler/glsl/glcpp/glcpp-parse.y | 2 ++
 src/compiler/glsl/glsl_parser.yy      | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/compiler/glsl/glcpp/glcpp-parse.y b/src/compiler/glsl/glcpp/glcpp-parse.y
index 93445e6dc96..7456c8ab872 100644
--- a/src/compiler/glsl/glcpp/glcpp-parse.y
+++ b/src/compiler/glsl/glcpp/glcpp-parse.y
@@ -785,6 +785,8 @@ junk:
          glcpp_warning(&@1, parser, "extra tokens at end of directive");
       else
          glcpp_error(&@1, parser, "extra tokens at end of directive");
+
+      (void)yynerrs;
    }
 ;
 
diff --git a/src/compiler/glsl/glsl_parser.yy b/src/compiler/glsl/glsl_parser.yy
index 428ff53cd31..574895b005a 100644
--- a/src/compiler/glsl/glsl_parser.yy
+++ b/src/compiler/glsl/glsl_parser.yy
@@ -3105,5 +3105,7 @@ layout_defaults:
       if (!state->out_qualifier->push_to_global(& @1, state)) {
          YYERROR;
       }
+
+      (void)yynerrs;
    }
    ;