Comment 22 for bug 850628

(In reply to comment #15)
> I don't have the same backtrace. I have a backtrace like Magnus Kessler's one
> at https://bugs.freedesktop.org/show_bug.cgi?id=30509
No, that's another -likely unrelated- bug :-(

> All crashes occurs when there was a full-screen
yes - reasonable, but not related to this issue at all.

> I am trying to understand why structs damaging.
nullpointers are not exactly "damaged" like "dangeling pointers" but can be valid states, they might however require different treatment (reallocation or whatever) than a simple
"if (!pointer) return;"