r193058 - Implement function type checker for the undefined behavior sanitizer.

[Peter Collingbourne]

On Mon, Oct 21, 2013 at 04:57:03PM +0100, Tim Northover wrote:
> Hi Peter,
> 
> > This uses function prefix data to store function type information at the
> > function pointer.
> 
> I'm not sure if this is a valid point, but should we add "function" to
> allowedOpt in SanitizerArgs.cpp? Currently giving -fsanitize=function
> to the driver gives an error.
> 
> Or is it hidden for now while we make sure it works?

There's no allowedOpt in SanitizerArgs.cpp, nor has there ever been.
Maybe this is something in a private branch?

Thanks,
-- 
Peter