Well, your compiler's standard library implementation should follow the C++ standard, and if your code expects what the standard requires, in most cases you sho

Well, your compiler's standard library implementation should follow the C++ standard, and if your code expects what the standard requires, in most cases you should be fine. The problem is when code is written with certain behavior in mind that is not in the standard because the developer has gotten used to a particular compiler's liberties that extend beyond the standard, and then if they port to another platform, complications can ensue.