map iterators with multithreading and _GLIBCXX_DEBUG

[Benjamin Kosnik]

>I think STL should (ideally) behave identically wether _GLIBCXX_DEBUG is used 
>or not. Therefore if the _GLIBCXX_DEBUG version needs to alter some state it 
>should be protected internally to provide the same behavior to the caller.

Debug mode STL should behave identically to regular mode STL. So, what
you should do is try to come up with a reproducible test case, and open
up a bug in bugzilla with it.

thanks,
benjamin