Section: D.14.2 [depr.strstreambuf] Status: New Submitter: Jonathan Wakely Opened: 2018-05-02 Last modified: 2018-06-19 05:49:11 UTC
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In C++03 strstreambuf was not copyable, because basic_streambuf wasn't copyable. In C++11 we made basic_streambuf copyable by derived classes, and strstreambuf doesn't define any special members, so it (unintentionally?) became copyable, with completely unspecified semantics.VC++ and libc++ make it movable not copyable, and libstdc++ still follows C++03, so it's neither movable nor copyable. Making it movable seems to be the sane option, and consistent with filebuf and stringbuf.
[2018-06-18 after reflector discussion]
Priority set to 4