Fix regression in fat calls (#21446)
Fix regression in fat calls (#21446)

This seems to fix an AV in RyuJIT.
poizan42/coreclr,poizan42/coreclr,poizan42/coreclr,wtgodbe/coreclr,poizan42/coreclr,krk/coreclr,wtgodbe/coreclr,krk/coreclr,krk/coreclr,mmitche/coreclr,cshung/coreclr,cshung/coreclr,cshung/coreclr,cshung/coreclr,krk/coreclr,wtgodbe/coreclr,mmitche/coreclr,krk/coreclr,mmitche/coreclr,poizan42/coreclr,poizan42/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,mmitche/coreclr,cshung/coreclr,mmitche/coreclr,krk/coreclr,mmitche/coreclr,cshung/coreclr,wtgodbe/coreclr