The OP's color/luminance shift problem has nothing to do with the Eizo CN profile.
Nobody said it was
caused by the display profile, least of all me. But the display profile indirectly affects how the Photoshop bug appears on screen. How, I don't know, but the whole problem is that
something in the ProPhoto > monitor conversion doesn't have the required precision and returns inaccurate values.
I've tested this with a lot of different display profiles and they all appear slightly different from each other. I've used Eizo and NEC monitors, Colornavigator, Easypix, Spectraview II, DispcalGUI and i1Profiler. I've tried matrix profiles and LUT, the version2 spec and the version4 spec. All have displayed the bug, but all differently.
Currently I'm using Colornavigator on Eizo CG246 and CX240, producing v2 matrix profiles. That seems the best of the lot. The worst was an Eizo Flexscan SX with Eizo Easypix. That was horrible (I think Easypix makes LUT profiles with no option for matrix. The software doesn't tell).