[Bug tree-optimization/37242] missed FRE opportunity because of signedness of addition

[matt at use dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37242

--- Comment #22 from Matt Hargett <matt at use dot net> 2012-06-29 00:20:17 UTC 
---
Hey Andrew, any word on your patch?