[Bug libstdc++/66146] call_once not C++11-compliant on ppc64le

[cohenjon at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66146

--- Comment #24 from Jon Cohen <cohenjon at google dot com> ---
I don't see anything in the release notes about call_once.  Is this still an
open issue?