[Bug libstdc++/85768] [9 Regression] FreeBSD bootstrap fails due to undefined reference to 'backtrace'

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85768

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |9.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, I think we are supposed to use libbacktrace instead?