Re: [PATCH] Add header implementation of std::to_string for integers (PR libstdc++/71108)

[Adrian Wielgosik]

> so a conforming program could notice the difference by either calling 
> std::setlocale.

Unless I missed or misunderstood something about locale (please let me
know if I did), I don't know of any way for locale to affect %d and
its integer friends.