[Bug tree-optimization/58640] [4.9 Regression] wrong code (segfaults) at -O3 on x86_64-linux-gnu

[su at cs dot ucdavis.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58640

--- Comment #8 from Zhendong Su <su at cs dot ucdavis.edu> ---
(In reply to Jeffrey A. Law from comment #7)
> Fixed on trunk.

Verified (also against the original). 

Thanks Jeff.