From 02b394023b74620092c45734dcdb531e97d6f19d Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Wed, 18 Aug 2021 13:57:14 +1000
Subject: [PATCH] glsl: fix variable scope for instructions inside case
 statements
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Fixes: 665d75cc5a23 ("glsl: Fix scoping bug in if statements.")

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5247

Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12435>
---
 src/compiler/glsl/ast_to_hir.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
index 370f6934bd4..cb9dd0dbd99 100644
--- a/src/compiler/glsl/ast_to_hir.cpp
+++ b/src/compiler/glsl/ast_to_hir.cpp
@@ -6830,8 +6830,11 @@ ir_rvalue *
 ast_switch_body::hir(exec_list *instructions,
                      struct _mesa_glsl_parse_state *state)
 {
-   if (stmts != NULL)
+   if (stmts != NULL) {
+      state->symbols->push_scope();
       stmts->hir(instructions, state);
+      state->symbols->pop_scope();
+   }
 
    /* Switch bodies do not have r-values. */
    return NULL;