Goddamnit. Forgot that Master codes are also abbreviated as (M).

Ok. NOW  issue 6367 : https://code.google.com/p/dolphin-emu/issues/detail?id=6367 is fixed.

I wish I'd remember these things before committing and not after.

Data/User/GameConfig/GAFE01.ini

@@ -5,9 +5,6 @@ EmulationStateId = 4
 EmulationIssues = 
 [OnFrame]
 [ActionReplay]
-$(M) (Datel)
-01521549 88000000
-C40959EC 0000FF00
 $Make Game Save Copyable (donny2112)
 01522C0A 08000000
 8C091F20 909C0028