Rollup merge of #63308 - spastorino:place-ref-base-is-ref, r=oli-obk
Rollup merge of #63308 - spastorino:place-ref-base-is-ref, r=oli-obk

PlaceRef's base is already a reference

r? @oli-obk

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust