Mesa (master): ir_to_mesa: Don' t assume that an ir_dereference_array is of a variable.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 264ba1ab88f273dc92add8018f24edcdd67fa5e5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=264ba1ab88f273dc92add8018f24edcdd67fa5e5

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Aug 26 11:23:09 2010 -0700

ir_to_mesa: Don't assume that an ir_dereference_array is of a variable.

Fixes:
glsl-array-bounds-02 (software)
glsl-array-bounds-04
glsl-array-bounds-06 (software)
glsl-array-bounds-08

---

 src/mesa/program/ir_to_mesa.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 7fb5974..948f09a 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1382,7 +1382,8 @@ ir_to_mesa_visitor::visit(ir_dereference_array *ir)
       return;
    }
 
-   if (strncmp(var->name, "gl_", 3) == 0 && var->mode == ir_var_uniform &&
+   if (var &&
+       strncmp(var->name, "gl_", 3) == 0 && var->mode == ir_var_uniform &&
        !var->type->is_matrix()) {
       ir_dereference_record *record = NULL;
       if (ir->array->ir_type == ir_type_dereference_record)