FIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: yhliang86 at hotmail dot com
Target Milestone: ---
bits/ostream.tcc
operator<<(__streambuf_type* __sbin):
if (!__copy_streambufs(
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91653
--- Comment #2 from yinghui ---
(In reply to Jonathan Wakely from comment #1)
> GCC 4.9.2 has been unsupported for several years.
but both the code and the problem still keeps exactly the same.
I have seen many c++ code write 'os << is.rdbuf()`
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91653
--- Comment #4 from yinghui ---
(In reply to TC from comment #3)
> Looks NAD to me.
>
> http://eel.is/c++draft/ostream.inserters#8.2 doesn't say that we set any bit
> in that case. Contrast with http://eel.is/c++draft/ostream.unformatted#3 and
>
