[Patch] Sylvain's fix for libstdc++/10783

[Paolo Carlini]

Benjamin Kosnik wrote:

>>int main() 
>>{ 
>>  test01();
>>  test02();
>>+  test03();
>>  return 0;
>>}
>>    
>>
>
>I propose a ban on all appending to test files. We've got to move over
>to the single-test-single-file form eventually, might as well do it as
>cases are added.
>
>Thus
>
>reverse_iterator/1.cc
>reverse_iterator/2.cc
>reverse_iterator/3.cc
>
I concur! Just, if I'm not completely wrong, we didn't really discuss 
this before beyond string, iostreams and locales.

Will wait a little bit more as regards the fix proper. If nobody 
disagree will create a new dir and split the three testcases as you suggest.

Thanks!
Paolo.