PATCH RFA: Avoid enum bitfield in C++ frontend

[Mark Mitchell]

Jason Merrill wrote:
> Ian Lance Taylor wrote:
>> This is how I think the code looks best--I don't see a need for a
>> special type to hold this combination of bitfields.  However, it would
>> be a smaller change to let the C++ frontend continue to use
>> tsubst_flags_t, and simply do "typedef int tsubst_flags_t".  If the C++
>> frontend maintainers would prefer that patch, I can do that instead.
> 
> I think I would prefer that; the typedef provides documentation about
> what the complain parameter means. 

FWIW, I agree.  I'd rather we used typedefs for basic types more in GCC,
rather than less; it's an easy way to get some self-documentation in the
code.  "a_register r" is a lot easier to understand than "int r".

My two cents,

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
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