[patch] Clean up detection of SJLJ exceptions in target libraries

[Eric Botcazou]

> Generally OK.  However, please confirm with ian on the libgo bits just
> in case you're hitting something that's shared with golang.

OK, I can certainly wait for Ian's approval for the libgo bits.

> We could certainly consider cleaning up the targets (hppa).  That'd be a
> fine follow-up :-)  ISTM we ought to be moving away from the EH model
> being something we explicitly ask for via enable/disable options on the
> configure command line.

It's more in Dave's court. :-)  I don't think we have any PA machine up and 
running at AdaCore these days.

> I trust you'll keep an eye out for any fallout.

Yes, I'm back in the SJLJ business.

-- 
Eric Botcazou