glsl: don't validate array types in ir_dereference_variable

Fixes: 8d62969cfe - glsl: validate more stuff
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3245

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5813>

src/compiler/glsl/ir_validate.cpp

@@ -98,7 +98,10 @@ ir_validate::visit(ir_dereference_variable *ir)
       abort();
    }
 
-   if (ir->var->type != ir->type) {
+   /* Compare types without arrays, because one side can be sized and
+    * the other unsized.
+    */
+   if (ir->var->type->without_array() != ir->type->without_array()) {
       printf("ir_dereference_variable type is not equal to variable type: ");
       ir->print();
       printf("\n");