From: Eric Anholt <eric@anholt.net>
Date: Wed, 12 Jun 2013 20:46:57 +0000 (-0700)
Subject: glsl: Make sure that we don't put too many bitfields in ast_type_qualifier.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f2e14238a79100f22ccdcdda2a2267ff9fc85655;p=mesa.git

glsl: Make sure that we don't put too many bitfields in ast_type_qualifier.

We do some tests of qualifiers using a union containing an int and the
struct full of bitfields, so make sure the bitfields don't spill
outside the int.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---

diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 10c5425e8ee..f3c49d2271d 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -1936,6 +1936,8 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
 				 bool ubo_qualifiers_valid,
                                  bool is_parameter)
 {
+   STATIC_ASSERT(sizeof(qual->flags.q) <= sizeof(qual->flags.i));
+
    if (qual->flags.q.invariant) {
       if (var->used) {
 	 _mesa_glsl_error(loc, state,