[Bug libstdc++/91057] Data race in locale(const locale&, Facet*) constructor

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91057

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|10.0                        |9.3

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk, but I think I want to backport it.