https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81857

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |SUSPENDED
   Last reconfirmed|                            |2017-08-29
            Summary|istreambuf_iterator not     |[DR2471]
                   |work as input iterator      |istreambuf_iterator not
                   |                            |work as input iterator
     Ever confirmed|0                           |1

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
As TC said, there's nothing wrong with our istreambuf_iterator. Our copy_n is
also conforming, due to the poor specification. I don't want to add a test
verifying behaviour that might be defective and might change.

The "suggested workaround" certainly doesn't belong in our testsuite.

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