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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/111736] Address sanitizer is not compatible with
 named address spaces
Date: Tue, 21 May 2024 09:03:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111736

--- Comment #47 from Uro=C5=A1 Bizjak <ubizjak at gmail dot com> ---
(In reply to Uro=C5=A1 Bizjak from comment #46)
> Created attachment 58259 [details]
> Preprocessed file
>=20
> gcc -O2 -fsanitize=3Dkernel-address -fasan-shadow-offset=3D0xdffffc000000=
0000
> --param asan-instrumentation-with-call-threshold=3D10000 -fsanitize=3Dboo=
l -S
> alternative.i

Omitting -fsanitize=3Dbool compiles to:

        movzbl  %gs:cpu_tlbstate_shared(%rip), %eax
        testb   %al, %al

where no sanitization is present with the above variable.=