https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69799
--- Comment #4 from dave.anglin at bell dot net --- On 2016-03-14, at 7:17 AM, dominiq at lps dot ens.fr wrote: >> Needs to link against -latomic. > > > Why? Apparently it does not need it on x86_64-apple-darwin15. x86_64 has atomic support fully implemented in header. Some targets like hppa have code in libatomic which calls kernel helpers, etc. > > What happens if you add '-latomic' to the dg-options list? It passes. Dave -- John David Anglin dave.ang...@bell.net