Fix ProjectN regression in `ByReference<T>` (dotnet/corert#6713)
Fix ProjectN regression in `ByReference<T>` (dotnet/corert#6713)

Signed-off-by: dotnet-bot <03c4cb6107ae99956a7681f2c97ff7104809a2bd@microsoft.com>

ptoonen/corefx,ViktorHofer/corefx,ericstj/corefx,BrennanConroy/corefx,ViktorHofer/corefx,ptoonen/corefx,wtgodbe/corefx,ericstj/corefx,wtgodbe/corefx,ViktorHofer/corefx,shimingsg/corefx,ericstj/corefx,wtgodbe/corefx,wtgodbe/corefx,ptoonen/corefx,shimingsg/corefx,shimingsg/corefx,ericstj/corefx,ViktorHofer/corefx,ptoonen/corefx,wtgodbe/corefx,ericstj/corefx,ericstj/corefx,shimingsg/corefx,ptoonen/corefx,BrennanConroy/corefx,shimingsg/corefx,BrennanConroy/corefx,wtgodbe/corefx,shimingsg/corefx,ViktorHofer/corefx,wtgodbe/corefx,ptoonen/corefx,ptoonen/corefx,ViktorHofer/corefx,shimingsg/corefx,ericstj/corefx,ViktorHofer/corefx