Missing explicit instantiations in libstdc++ (was Re: Unreviewed

[Jason Merrill]

>>>>> "John" == John David Anglin <dave@hiauly1.hia.nrc.ca> writes:

>> This (the unsigned instantiation) should be implicitly instantiated from 
>                                               ^^^^^^^^^^
>> the test case in question, namely 22_locale/collate.cc. Apparently it is 
>> not, for some reason.

<snip>

> I think this probably has something to do with instantiation on systems
> without weak support.  Don't these systems require explicit
> instantiation?

Yes.

Jason