There is now an easily verified example of where VS15 fails with constexpr.
There is now an easily verified example of where VS15 fails with constexpr.

birm/Elemental,birm/Elemental,mcopik/Elemental,justusc/Elemental,justusc/Elemental,justusc/Elemental,justusc/Elemental,mcopik/Elemental,mcopik/Elemental,birm/Elemental,birm/Elemental,mcopik/Elemental,birm/Elemental,justusc/Elemental,birm/Elemental,mcopik/Elemental,justusc/Elemental,mcopik/Elemental