[mmotm:master 216/292] arch/sparc/include/asm/string.h:22:2: error: expected identifier or '(' before '{' token

[mmotm:master 216/292] arch/sparc/include/asm/string.h:22:2: error: expected identifier or '(' before '{' token

[kbuild test robot]

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   5c84fce56580d5297cd473b57f893e362b332109
commit: abb4387dc4c5898e87a93f152d3ad4b991397f22 [216/292] include/linux/string.h: add the option of fortified string.h functions
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout abb4387dc4c5898e87a93f152d3ad4b991397f22
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   In file included from include/linux/string.h:18:0,
                    from include/linux/bitmap.h:8,
                    from include/linux/cpumask.h:11,
                    from include/linux/rcupdate.h:40,
                    from include/linux/rculist.h:10,
                    from include/linux/pid.h:4,
                    from include/linux/sched.h:13,
                    from arch/sparc/kernel/asm-offsets.c:13:
>> arch/sparc/include/asm/string.h:22:2: error: expected identifier or '(' before '{' token
    ({          \
     ^
   include/linux/string.h:332:24: note: in expansion of macro 'memscan'
    __FORTIFY_INLINE void *memscan(void *p, int c, __kernel_size_t size)
                           ^~~~~~~
   make[2]: *** [arch/sparc/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +22 arch/sparc/include/asm/string.h

70a6fcf3 Al Viro 2016-01-17  16  #define __HAVE_ARCH_MEMSET
70a6fcf3 Al Viro 2016-01-17  17  #define memset(s, c, count) __builtin_memset(s, c, count)
70a6fcf3 Al Viro 2016-01-17  18  
70a6fcf3 Al Viro 2016-01-17  19  #define __HAVE_ARCH_MEMSCAN
70a6fcf3 Al Viro 2016-01-17  20  
70a6fcf3 Al Viro 2016-01-17  21  #define memscan(__arg0, __char, __arg2)						\
70a6fcf3 Al Viro 2016-01-17 @22  ({										\
70a6fcf3 Al Viro 2016-01-17  23  	void *__memscan_zero(void *, size_t);					\
70a6fcf3 Al Viro 2016-01-17  24  	void *__memscan_generic(void *, int, size_t);				\
70a6fcf3 Al Viro 2016-01-17  25  	void *__retval, *__addr = (__arg0);					\

:::::: The code at line 22 was first introduced by commit
:::::: 70a6fcf3283a0ac1e11737c6d90c0753f9824e9d [sparc] unify 32bit and 64bit string.h

:::::: TO: Al Viro <viro@zeniv.linux.org.uk>
:::::: CC: Al Viro <viro@zeniv.linux.org.uk>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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