https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67319
Andrew Sutton <andrew.n.sutton at gmail dot com> changed:
What |Removed |Added
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CC| |andrew.n.sutton at gmail dot
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--- Comment #2 from Andrew Sutton <andrew.n.sutton at gmail dot com> ---
This seems to have been fixed at some point. Add a test for this PR in
concepts-cxx2a.
