[Bug c/59590] gcc produces an infinite loop on O2 optimization

[cottrell at wfu dot edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59590

--- Comment #2 from Allin Cottrell <cottrell at wfu dot edu> ---
OK, you're right, there's an off-by-one bug in the second
k-loop.

But it's not very nice that gcc takes that as a license to
produce an infinite loop. However, I guess that makes this
report a duplicate of some others that have made the same 
observation.