[Bug ipa/67600] [5 Regression] Segfault when assigning only one char to ostreambuf_iterator compiled with -O2 or -O3

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67600

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |6.0
            Summary|[5/6 Regression] Segfault   |[5 Regression] Segfault
                   |when assigning only one     |when assigning only one
                   |char to                     |char to
                   |ostreambuf_iterator<char>   |ostreambuf_iterator<char>
                   |compiled with -O2 or -O3    |compiled with -O2 or -O3

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Done.  Fixed on trunk sofar.