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From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/100485] False positive in -Wmismatched-new-delete
Date: Sun, 09 May 2021 17:49:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100485

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |msebor at gcc dot gnu.org
             Blocks|                            |100406
         Resolution|---                         |WONTFIX
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The call to the inline operator delete is inlined but the call to new is no=
t so
the warning sees a mismatch.  This can be suppressed either by inlining both
calls or by preventing it by declaring the operators with attribute noinlin=
e.=20=20

The article below gives more insight:

https://developers.redhat.com/blog/2021/04/30/detecting-memory-management-b=
ugs-with-gcc-11-part-1-understanding-dynamic-allocation/
https://developers.redhat.com/blog/2021/05/05/detecting-memory-management-b=
ugs-with-gcc-11-part-2-deallocation-functions/


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100406
[Bug 100406] bogus/missing -Wmismatched-new-delete=