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Subjectarch/arm/boot/compressed/fdt_rw.c:439:38: sparse: sparse: dubious: x | !y
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b791d1bdf9212d944d749a5c7ff6febdba241771
commit: d047cd8a2760f58d17b8ade21d2f15b818575abc scripts/dtc: Update to upstream version v1.6.0-2-g87a656ae5ff9
date: 3 months ago
config: arm-randconfig-s032-20200612 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-250-g42323db3-dirty
git checkout d047cd8a2760f58d17b8ade21d2f15b818575abc
# save the attached .config to linux build tree
make W=1 C=1 ARCH=arm CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

>> arch/arm/boot/compressed/fdt_rw.c:439:38: sparse: sparse: dubious: x | !y

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