[Bug c/47214] False warning "null argument where non-null required"

[pkoning at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47214

--- Comment #2 from Paul Koning <pkoning at gcc dot gnu.org> 2011-01-11 
12:00:56 UTC ---
Not if you look at that call in isolation, true.  But right before it in the
test program is a check that does exactly this.