[ath6kl:master 3/3] arch/x86/lib/memcpy_64.S:277: Error: invalid character '(' in mnemonic

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git master
head:   18204c8dfcc0ea34d1cd376f7caacba546c3945e
commit: 18204c8dfcc0ea34d1cd376f7caacba546c3945e [3/3] Revert "x86: move exports to actual definitions"
config: x86_64-randconfig-n0-10280129 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 18204c8dfcc0ea34d1cd376f7caacba546c3945e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   arch/x86/lib/memcpy_64.S: Assembler messages:
>> arch/x86/lib/memcpy_64.S:277: Error: invalid character '(' in mnemonic

vim +277 arch/x86/lib/memcpy_64.S

92b0729c Tony Luck      2016-02-18  271  
cbf8b5a2 Tony Luck      2016-03-14  272  	/* Copy successful. Return zero */
92b0729c Tony Luck      2016-02-18  273  .L_done_memcpy_trap:
92b0729c Tony Luck      2016-02-18  274  	xorq %rax, %rax
92b0729c Tony Luck      2016-02-18  275  	ret
9a6fb28a Tony Luck      2016-09-01  276  ENDPROC(memcpy_mcsafe_unrolled)
84d69848 Linus Torvalds 2016-10-14 @277  EXPORT_SYMBOL_GPL(memcpy_mcsafe_unrolled)
92b0729c Tony Luck      2016-02-18  278  
92b0729c Tony Luck      2016-02-18  279  	.section .fixup, "ax"
cbf8b5a2 Tony Luck      2016-03-14  280  	/* Return -EFAULT for any failure */

:::::: The code at line 277 was first introduced by commit
:::::: 84d69848c97faab0c25aa2667b273404d2e2a64a Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

:::::: TO: Linus Torvalds <torvalds at linux-foundation.org>
:::::: CC: Linus Torvalds <torvalds at linux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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