[Bug c++/106965] g++ optimization removes assigning 0 to deleted pointer- causes double free.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106965

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think it's undefined to invoke a DTOR twice which is what you do here.  After
the DTOR the m_ptr member becomes undefined so re-evaluating that in the second
invocation (when there's no object of type X anymore) is undefined.