radv: Fix using more than 4 bound descriptor sets

Avoid a buffer overflow in ac_nir_to_llvm.c's create_function when
using more than 4 descriptor sets. radv claims support for 8.

Cc: 17.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit e88cac1df03d01a9e8a1de1a4a2ee888149e727a)
1 file changed