using xlocale to implement std::locale class

[Sam Varshavchik]

Paolo Carlini writes:

> On 05/05/2011 10:52 PM, Paolo Carlini wrote:
>> Indeed, it would be nice if Sam could test the patch. I can also look into  
>> it tomorrow or over the next days anyway.
>>
>> Francois, what did you mean exactly in the audit trail by: "For info a  
>> regression has been reported using this patch so it is surely not yet  
>> ready."? On which test? In which conditions?
> In the meanwhile I re-diffed the patch vs current mainline and attached it  
> to the PR.
>
> On GNU-Linux I'm seeing this fail:
>
> named_equivalence.exe: .../libstdc++-v3/testsuite/ 
> 22_locale/messages_byname/named_equivalence.cc:67: void test01(): Assertion  
> `s03 == "bitte"' failed.
> FAIL: 22_locale/messages_byname/named_equivalence.cc execution test
>
> no idea at moment whether it's something serious or a small tweak on top of  
> it would be enough. Maybe Sam can help...

I don't think I'm running the testsuite correctly. I've executing make check  
RUNTESTFLAGS='conformance.exp=messages*'. I do not get this failure even  
though I have Francois' patch applied, and my out of tree test for the  
original bug, that I'm linking directly against the built libstdc++.a passes  
the test for the fix. Yet, make check seems to work without applying the fix  
to messages_byname/named_equivalence.cc. But if I stick VERIFY(0 == 1) in  
there, it fails.

In any case, I think the existing regression tests should be trivially  
modifiable to test Francois' patch too. All you need is to another call to  
open() for another domain ("gcc" should be good enough), after one of the  
existing calls. Without the messages patch, this should make the regression  
test break. With the patch, it will still work.


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