https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Did this change help?  Would it be beneficial to backport to 7.x or even 6.x? 
As is it is certainly too dangerous, but wonder about additionally guarding the
3 hunks either with (flag_sanitize & SANITIZE_ADDRESS) != 0 or even
(flag_sanitize & SANITIZE_KERNEL_ADDRESS) != 0, so it would affect only people
using -fsanitize={,kernel-}address or even just -fsanitize=kernel-address.

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