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From: "0xe2.0x9a.0x9b at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug other/95971] [10 regression] Optimizer converts a false boolean
 value into a true boolean value
Date: Mon, 29 Jun 2020 18:44:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95971

--- Comment #7 from Jan Ziak (http://atom-symbol.net) <0xe2.0x9a.0x9b at gm=
ail dot com> ---
(In reply to Martin Li=C5=A1ka from comment #6)
> All right, so it's caused by cdde1:
>=20
> Assume loop 1 to be finite: it has an exit and -ffinite-loops is on.
>=20
>        -ffinite-loops
>            Assume that a loop with an exit will eventually take the exit =
and
> not loop indefinitely.  This allows the compiler to remove loops that
> otherwise have no side-effects, not considering eventual endless looping =
as
> such.
>=20
>            This option is enabled by default at -O2 for C++ with -std=3Dc=
++11
> or higher.

Thank you for the explanation.

Your mindset is forcing me to stop using g++ over time because of reliabili=
ty
concerns during application development.

Sincerely
Jan=