Re: [Boost-users] [Container] --begin() on empty deque crashes

Subject: Re: [Boost-users] [Container] --begin() on empty deque crashes
From: Ion Gaztañaga (igaztanaga_at_[hidden])
Date: 2013-01-19 13:18:10

El 19/01/2013 13:06, TONGARI escribió:
> Hi there,
>
> The code below would simply crash on g++ 4.7.1/MinGW with default
> optimization level, it doesn't shown with -O/1/2/3
> ----------------------------------------
> boost::container::deque<int> d;
> --d.begin();
> ----------------------------------------

The problem is that decrementing a begin iterator is not a valid 
operator, since it would point out of the container.

Ion