[Bug libstdc++/84367] [C++11] std::ostringstream stops inserting after multiple call to move assignment operator

[ftingaud at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84367

Frederic Tingaud <ftingaud at gmail dot com> changed:

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

--- Comment #3 from Frederic Tingaud <ftingaud at gmail dot com> ---
Reopening because I reproduced with GCC 7.3. See previous comment for test
case.