Request to merge Undefined Behavior Sanitizer in (take 3)

[Marek Polacek]

On Tue, Aug 27, 2013 at 04:30:40PM +0200, Marek Polacek wrote:
> On Thu, Aug 22, 2013 at 09:01:57PM +0200, Marek Polacek wrote:
> > On Thu, Aug 22, 2013 at 07:51:07PM +0200, Marek Polacek wrote:
> > > Ping.
> > 
> > I'm withdrawing the ping for now.  I'll have to deal with some bootstrap
> > comparison failures first (ugh!).
> 
> Fixed with this patch:
> http://gcc.gnu.org/ml/gcc-patches/2013-08/msg01344.html
> Also, I've changed the hash table to pointer map:
> http://gcc.gnu.org/ml/gcc-patches/2013-08/msg01582.html

Now that the pointer_map has been converted to C hash table,
and we use GTY for it, I see no more pending issues currently.

> Regtested, ran bootstrap-ubsan on x86_64-linux.
> 
> Ok to merge ubsan into trunk?

	Marek