vlib/v/parser/tests/already_existing_sym_err.vv:16:6: error: cannot register fn `vnkxcb.Nk_plugin_alloc`, another type with this name exists
   14 | }
   15 | 
   16 | type Nk_plugin_alloc = fn (Nk_handle, voidptr, Nk_size) voidptr
      |      ~~~~~~~~~~~~~~~