[Bug middle-end/50066] [4.7 Regression] Bad signed int to unsigned long long conversion

[joseph at codesourcery dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50066

--- Comment #7 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> 2011-08-13 15:31:05 UTC ---
(The original code is of course valid if you use -fwrapv, so hopefully the 
problem optimization does not occur in that case.)