Update debug info emission to handle funclets
Update debug info emission to handle funclets

The object gets a function symbol for each funclet, so we need to sum
their sizes rather than trying to report each in turn.

marksantos/llilc,BruceForstall/llilc,swaroop-sridhar/llilc,russellhadley/llilc,BruceForstall/llilc,marksantos/llilc,kyulee1/llilcjit,russellhadley/llilc,adiaaida/llilc,AndyAyersMS/llilc,AndyAyersMS/llilc,kyulee1/llilcjit,adiaaida/llilc,JosephTremoulet/llilc,JosephTremoulet/llilc,kyulee1/llilcjit,manu-silicon/llilc,JosephTremoulet/llilc,manu-silicon/llilc,marksantos/llilc,dotnet/llilc,russellhadley/llilc,manu-silicon/llilc,swaroop-sridhar/llilc,BruceForstall/llilc,dotnet/llilc,AndyAyersMS/llilc,adiaaida/llilc,dotnet/llilc,swaroop-sridhar/llilc