drivers/built-in.o:undefined reference to `sys_fillrect'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7ce7d89f48834cefece7804d38fc5d85382edf77
commit: 8992da44c6805d53b920fe538992eae4afd6f22e auxdisplay: ht16k33: Driver for LED controller
date:   7 weeks ago
config: i386-randconfig-b0-12261424 (attached as .config)
compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
reproduce:
        git checkout 8992da44c6805d53b920fe538992eae4afd6f22e
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/built-in.o:(.data+0x19c4c): undefined reference to `fb_sys_read'
   drivers/built-in.o:(.data+0x19c50): undefined reference to `fb_sys_write'
>> drivers/built-in.o:(.data+0x19c6c): undefined reference to `sys_fillrect'
>> drivers/built-in.o:(.data+0x19c70): undefined reference to `sys_copyarea'
>> drivers/built-in.o:(.data+0x19c74): undefined reference to `sys_imageblit'

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