Prohibit enum <-> int mixup

[Ian Lance Taylor]

"Kevin P. Fleming" <kpfleming@digium.com> writes:

> I don't think the OP was asking about building GCC itself using
> --std=c++0x, just his programs. In that situation, presumably his
> libstdc++ was built by his distro and has the 'standard' ABI, right?

Yes, and that's the problem.  For those cases where his program expects
to use the library, it may (in some obscure cases) use the wrong ABI.

Ian