[Bug libstdc++/117210] [15 regression] error: 'llabs' is not a member of 'std'; did you mean 'labs'

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117210

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
I'm not Jonathan but I don't have a particularly useful guess for when this
started. Any chance you'd be willing to bisect it?