nir: allow lower_psiz_mov to run in tessellation stages

Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6027>
diff --git a/src/compiler/nir/nir_lower_point_size_mov.c b/src/compiler/nir/nir_lower_point_size_mov.c
index 4a7f808..f5e18d7 100644
--- a/src/compiler/nir/nir_lower_point_size_mov.c
+++ b/src/compiler/nir/nir_lower_point_size_mov.c
@@ -68,8 +68,8 @@
 nir_lower_point_size_mov(nir_shader *shader,
                          const gl_state_index16 *pointsize_state_tokens)
 {
-   assert(shader->info.stage == MESA_SHADER_VERTEX ||
-          shader->info.stage == MESA_SHADER_GEOMETRY);
+   assert(shader->info.stage != MESA_SHADER_FRAGMENT &&
+          shader->info.stage != MESA_SHADER_COMPUTE);
 
    nir_variable *out = NULL;
    nir_foreach_variable(var, &shader->outputs) {