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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/105523] Wrong warning array subscript [0] is outside
 array bounds
Date: Fri, 31 Mar 2023 20:32:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105523

--- Comment #17 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to David Crocker from comment #16)
> This issue is not specific to AVR target. I get the same spurious warning
> from gcc 12.2 arm-none-eabi when I compile the following code for ARM Cor=
tex
> M0+ and M4 targets:
>=20
> const char *bootloaderVersionText =3D *reinterpret_cast<const char**>(0x2=
0);
>=20
> I haven't found a workaround other than to use a pragma to disable the
> warning for that line of code.

The change in your build would be --param=3Dmin-pagesize=3D0 . I made a men=
tion of
this a few times in this bug report on why avr is different from arm here.=