[Bug c/51437] GCC should warn on the use of reserved identifier/macro names

[vanboxem.ruben at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51437

--- Comment #2 from Ruben Van Boxem <vanboxem.ruben at gmail dot com> 2011-12-06 11:50:18 UTC ---
(In reply to comment #1)
> (In reply to comment #0)
> > For C and C++, Clang
> 
> Ahem!
> 
> > For C++ a single underscore is also reserved for the global namespace.
> 
> That comes from C, not C++:
> "All identifiers that begin with an underscore are always reserved for use as
> identifiers with file scope in both the ordinary and tag name spaces."

Fair enough. I warned you, I only quickly glanced at both standard documens :)