[Bug libstdc++/69331] FAIL: 20_util/shared_ptr/thread/default_weaktoshared.cc execution test

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69331

--- Comment #21 from dave.anglin at bell dot net ---
On 2018-02-18 11:12 AM, danglin at gcc dot gnu.org wrote:
> // { dg-additional-options "-latomic" { target libatomic_available } }
>
> doesn't work:
The attached hack does work but it depends on the relative placement of 
the libatomic and
libstdc++ directories.