https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93208

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2020-01-09
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Marc Mutz from comment #0)
> false negative dynamic_casts.

That shouldn't happen on sane platforms.

(In reply to Marc Mutz from comment #1)
> Also in 9.1, according to gotbolt.org. Making the dtors out-of-line should
> be a binary-compatible.

We've already bumped the library version to libstdc++.so.6.0.26 for the GCC 9.3
release, so we could add another symbol to it now. That could cause problems
for distros already shipping 9.2.1 snapshots though.

It would be safer to only change it on trunk.

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