On Thu, Dec 8, 2011 at 11:26 PM, Brandon Black <blbl...@gmail.com> wrote:
> I doubt they're actually fully implemented in OSX's llvm-gcc 4.2.1.  Do you
> have any supporting documentation or research on that?

All I know is that they compile and that they seem to have effect. Are
you saying that the compiler might have no-op stub implementations for
some of those attributes?


>  Also the llvm-gcc
> 4.2.1 that OSX shipped with 4.2.1 was a pretty tragic mistake on their part,
> IMHO.  It's a branch of code that upstream considers deprecated and
> unsupported, and has known bugs.  See this bug link
> upstream: http://llvm.org/bugs/show_bug.cgi?id=9891 .

That's pretty bad. Still, this broken compiler is now in the hands of
millions of people who are extremely unlikely to be able to change
their compiler any time soon.

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