Prevent macro expansion of mblen

[Jason Merrill]

>>>>> "Gabriel" == Gabriel Dos Reis <gdr@codesourcery.com> writes:

> Jason Merrill <jason@redhat.com> writes:
> | Sounds like we want the semantics of gcc 'extern inline'; namely, use the
> | inline definition provided if possible, otherwise fall back on the symbol
> | defined elsewhere.

> This is very close to what I'd like to have.  In addition to that, we
> need to generate a text definition for that function.  Is that already
> present in GCC?

I don't understand what you mean.  The out-of-line definition would be
in the C library.

> | ...  __attribute__ ((pure_inline)), anyone?  inline_only?

> Well, I need to read the manual in order to understand all those
> extensions.. :-)

Those were proposed names, not references to existing extensions.  The
functionality in question doesn't currently exist in the C++ frontend.

Jason