[Bug tree-optimization/55616] bogus warning about undefined overflow after overflow check

[than at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55616

--- Comment #8 from Than Ngo <than at redhat dot com> 2013-01-31 11:14:25 UTC ---
number_of_elements_in_path is already defined as unsigned type, so we need both
in this case to get rid of this warning

thanks