error[E03003]: unbound module member
  ┌─ tests/move_check/expansion/invalid_unpack_assign_mdot_no_struct.move:3:9
  │
3 │         Self::f {} = 0;
  │         ^^^^^^^ Invalid module access. Unbound struct 'f' in module '0x8675309::M'

error[E01009]: invalid assignment
  ┌─ tests/move_check/expansion/invalid_unpack_assign_mdot_no_struct.move:4:9
  │
4 │         Self::f() = 0;
  │         ^^^^^^^^^ Invalid assignment syntax. Expected: a local, a field write, or a deconstructing assignment