Add test for initThisClass from a generic method on a nongeneric type
Add test for initThisClass from a generic method on a nongeneric type

This doesn't need a runtime lookup, but RyuJIT is asking for one.

gregkalapos/corert,sandreenko/corert,botaberg/corert,tijoytom/corert,shrah/corert,botaberg/corert,shrah/corert,sandreenko/corert,sandreenko/corert,yizhang82/corert,botaberg/corert,yizhang82/corert,gregkalapos/corert,krytarowski/corert,krytarowski/corert,tijoytom/corert,krytarowski/corert,botaberg/corert,shrah/corert,sandreenko/corert,gregkalapos/corert,tijoytom/corert,krytarowski/corert,gregkalapos/corert,tijoytom/corert,yizhang82/corert,shrah/corert,yizhang82/corert