[Bug c++/116369] [12/13/14/15 Regression] temporary variable bounded to const reference with mutable field incorrectly marked as rodata since r9-869-g5603790dbf233c

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116369

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #9)
> Ah no, during iterator construction we do:
> 
>       this->_M_attach(const_cast<_Safe_sequence_base*>(__seq), __constant);
> 
> So that is a library bug.

Sorry I should have mentioned that line beforehand. After I noticed the mutable
on one of the fields, I was more focused on that and the front-end side of
things and getting a testcase there rather than describing the full sequence of
code for the library side of things.