https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111736
--- Comment #47 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #46)
> Created attachment 58259 [details]
> Preprocessed file
>
> gcc -O2 -fsanitize=kernel-address -fasan-shadow-offset=0xdffffc0000000000
> --param asan-instrumentation-with-call-threshold=10000 -fsanitize=bool -S
> alternative.i
Omitting -fsanitize=bool compiles to:
movzbl %gs:cpu_tlbstate_shared(%rip), %eax
testb %al, %al
where no sanitization is present with the above variable.
