{standard input}:9878: Error: non-constant expression in ".if" statement

[kernel test robot]

Hi Paul,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8b6ddd10d678bebec32381f71b6b420bafc43ad0
commit: 21e3134b3ec09e722cbcda69788f206adc8db1f4 MIPS: barrier: Clean up rmb() & wmb() definitions
date:   9 months ago
config: mips-randconfig-r032-20200619 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 21e3134b3ec09e722cbcda69788f206adc8db1f4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   {standard input}: Assembler messages:
   {standard input}:9878: Error: found '(', expected: ')'
   {standard input}:9878: Error: found '(', expected: ')'
>> {standard input}:9878: Error: non-constant expression in ".if" statement
   {standard input}:9878: Error: junk at end of line, first unrecognized character is `('

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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