[Bug c++/52639] ice in supportable_widening_operation

[dcb314 at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52639

--- Comment #4 from dcb <dcb314 at hotmail dot com> 2012-04-03 19:31:58 UTC ---

Finally, I managed to get delta to do something useful.

Minimal test case attached.