Comment # 4 on bug 83274 from Michel Dänzer

(In reply to nicolas from comment #3)
> Can you explain me what parameters i have to use with valgrind  ( i have
> installed it) so that it can makes a useful output for you?

For a start, just prepend valgrind to the final command line invoked for
starting the game. I don't know offhand how to do that for XCOM, hopefully
someone else can help you with that if needed.