[Bug rtl-optimization/67750] undefined local label

[pangbw at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67750

--- Comment #1 from baoshan <pangbw at gmail dot com> ---
I think the problem is at shrink wrap optimization, and I also verified the
problem would disappear with option "-fno-shrink-wrap".