[PATCH] PR libstdc++/89446 fix null pointer dereference in char_traits

[Eric Botcazou]

> I forgot to say that this is a conservative list of targets where
> -fnon-call-exceptions is supported. Maybe it could run on other
> targets, but this should be enough to ensure we don't get a regression
> for this bug.

What do you mean by supported exactly?  Ada and Go set it by default and they 
are supported on a bunch of other targets...

-- 
Eric Botcazou