[Bug c/109290] warning: array subscript -50 is outside array bounds of ‘struct kobject[36028797018963967]’

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109290

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 54760
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54760&action=edit
Preprocessed file

-Warray-bounds -O2 -fno-strict-aliasing -fcf-protection=branch
-fno-delete-null-pointer-checks

In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_disk_used’ at fs/btrfs/sysfs.c:875:493:
fs/btrfs/sysfs.c:637:6: warning: array subscript -52 is outside array bounds of
‘struct kobject[36028797018963967]’ [-Warray-bounds=]
In function ‘btrfs_show_u64’,
    inlined from ‘btrfs_space_info_show_disk_total’ at
fs/btrfs/sysfs.c:876:494:
fs/btrfs/sysfs.c:637:6: warning: array subscript -51 is outside array bounds of
‘struct kobject[36028797018963967]’ [-Warray-bounds=]
...