https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89358
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fdumont at gcc dot gnu.org
Known to work| |6.4.0
Summary|Combining -std=c++14 and |[7/8/9 Regression]
|-std=c++17 objects gives |Combining -std=c++14 and
|ODR warnings |-std=c++17 objects gives
| |ODR warnings
Known to fail| |7.3.0, 8.2.0, 9.0
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
I see it starting with r243379, would it be possible culprit of that?