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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/107940] temp_directory_path testcase broken
Date: Thu, 01 Dec 2022 19:57:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107940

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to laurent.alfonsi@linaro.org from comment #0)
> sanitizer=3Daddress reports an issue while stack unwinding :
>=20
>     =3D=3D13419=3D=3DERROR: AddressSanitizer: SEGV on unknown address 0x0=
00000000000
> (pc 0x0055012adf14 bp 0x0055007ff090 sp 0x0055007ff090 T0)
>     =3D=3D13419=3D=3DThe signal is caused by a UNKNOWN memory access.
>     =3D=3D13419=3D=3DHint: address points to the zero page.

The uninitialized memory dealing with the stack unwinding is recorded as PR
107678 and a patch was sent here:
https://gcc.gnu.org/pipermail/gcc-patches/2022-December/607668.html (maybe =
that
will fix the issue recorded here too).=