shader: lower complete wave minima for sparse fragment subgroups

src/graphics/shader/recompiler/ir/ShaderIR.h

@@ -507,6 +507,7 @@ struct ShaderInfo {
 	bool                            subgroup_ballot               = false;
 	bool                            subgroup_barrier              = false;
 	bool                            subgroup_shuffle              = false;
+	bool                            subgroup_arithmetic           = false;
 	bool                            subgroup_local_invocation_id  = false;
 	bool                            compute_derivatives           = false;
 	bool                            image_gather_extended         = false;