Byref fixes
Byref fixes

Fix a few places computing properties of CORINFO_TYPE types that were
missing cases for BYREF.

erozenfeld/llilc,AndyAyersMS/llilc,manu-silicon/llilc,dotnet/llilc,pgavlin/llilc,swaroop-sridhar/llilc,dotnet/llilc,kyulee1/llilcjit,dkorolev/llilc,erozenfeld/llilc,JosephTremoulet/llilc,marksantos/llilc,kyulee1/llilcjit,russellhadley/llilc,pgavlin/llilc,marksantos/llilc,tempbottle/llilc,tempbottle/llilc,manu-silicon/llilc,mmitche/llilc,swaroop-sridhar/llilc,dotnet/llilc,libengu/llilc,russellhadley/llilc-original,adiaaida/llilc,richardlford/llilc,AndyAyersMS/llilc,erozenfeld/llilc,JosephTremoulet/llilc,dkorolev/llilc,BruceForstall/llilc,richardlford/llilc,libengu/llilc,libengu/llilc,BruceForstall/llilc,mmitche/llilc,dkorolev/llilc,mmitche/llilc,JosephTremoulet/llilc,BruceForstall/llilc,marksantos/llilc,russellhadley/llilc,swaroop-sridhar/llilc,adiaaida/llilc,libengu/llilc,kyulee1/llilcjit,russellhadley/llilc-original,manu-silicon/llilc,richardlford/llilc,AndyAyersMS/llilc,russellhadley/llilc-original,russellhadley/llilc-original,mmitche/llilc,pgavlin/llilc,erozenfeld/llilc,adiaaida/llilc,tempbottle/llilc,russellhadley/llilc