Prohibit enum <-> int mixup

[Jonathan Wakely]

On 30 January 2011 20:32, Enrico Weigelt wrote:
>
> I'll have to add --std=c++0x parameter - does that have any other
> side effects I should be aware of ?

-std=c++0x enables lots of things, but if you don't use e.g. variadic
templates or the decltype keyword you shouldn't notice.  The only
thing I can think of affecting valid code is changing the meaning of
the 'auto' keyword, which noone sensible uses anyway.