[Bug c++/54140] -Wswitch shouldn't complain about out-of-range values that are cast to the correct type

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54140

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-07-31 
15:34:19 UTC ---
However changing the range of the enum doesn't make any difference, so please
ignore my comment!