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Subjectkernel/time/posix-stubs.o: warning: objtool: sys_ni_posix_timers.cold.1()+0x0: unreachable instruction
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 786b71f5b754273ccef6d9462e52062b3e1f9877
commit: 13810435b9a7014fb92eb715f77da488f3b65b99 objtool: Support GCC 8's cold subfunctions
date: 2 weeks ago
config: x86_64-randconfig-i0-201821 (attached as .config)
compiler: gcc-8 (Debian 8.1.0-3) 8.1.0
reproduce:
git checkout 13810435b9a7014fb92eb715f77da488f3b65b99
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

>> kernel/time/posix-stubs.o: warning: objtool: sys_ni_posix_timers.cold.1()+0x0: unreachable instruction

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