Bug#288721:

[Falk Hueffner]

# submitted Debian report #288721 to gcc-gnats as PR 19296
# http://gcc.gnu.org/PR19296

forwarded 288721 http://gcc.gnu.org/PR19296
retitle 288721 [PR 19296] [3.3 regression] Range check on short miscompiled at 
-O
tags 288721 + upstream
thanks