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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/115222] gcc ignores noexcept on fields' deconstructors in
 an union
Date: Sat, 25 May 2024 02:16:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115222

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C++14 (and C++11) had slightly different wording here:

```
Given a member function f of some class X, where f is an inheriting constru=
ctor
(12.9) or an implicitlydeclared special member function, the set of potenti=
al
exceptions of the implicitly-declared member function f consists of all the
members from the following sets:

if f is a destructor, the sets of potential exceptions of the destructor
invocations for X=E2=80=99s non-variant non-static data members and for X=
=E2=80=99s virtual and
direct base classes.

```

Looks like GCC just missed the rule applies to unions too.=