[Bug libstdc++/86846] [9 Regression] ld: (Warning) Unsatisfied symbol "__atomic_exchange_8" in libstdc++.sl

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86846

--- Comment #6 from dave.anglin at bell dot net ---
On 2018-08-11 8:04 PM, redi at gcc dot gnu.org wrote:
> This should do it:
I'll give it a test on my next build.

Thanks,
Dave