Fix store_borrow cloning when we are cloning into a function w/o ownership
Fix store_borrow cloning when we are cloning into a function w/o ownership

Map store_borrow return_address with the destination, so that while cloning a store_borrow into a function w/o ownership,
users of store_borrow return address can be mapped with the lowered store's destination.

glessard/swift,roambotics/swift,apple/swift,apple/swift,glessard/swift,apple/swift,roambotics/swift,benlangmuir/swift,glessard/swift,benlangmuir/swift,apple/swift,apple/swift,benlangmuir/swift,roambotics/swift,benlangmuir/swift,glessard/swift,glessard/swift,glessard/swift,roambotics/swift,apple/swift,benlangmuir/swift,roambotics/swift,roambotics/swift,benlangmuir/swift