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/GTSE4F.ini

@@ -9,8 +9,6 @@ EmulationIssues = can crash on some systems(unknown)
 #Add memory patches to be loaded once on boot here.
 [OnFrame]
 [ActionReplay]
-$(M) (Datel)
-C427768C 0000FF00
 $Inf Ammo/No Reloads
 04122D9C 60000000
 04122D70 60000000