[Bug c++/61512] libstd++ postfix operator hangs

[srohit.pda at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61512

--- Comment #2 from Rohit Sharma <srohit.pda at gmail dot com> ---
(In reply to Marc Glisse from comment #1)
> You are not allowed to call ++ on an iterator if calling * on it would be
> illegal.

I may agree to your comment Marc. 

Hanging code is manifestation is a sure bug - either in libstdc++ or gcc. Do
you agree?