syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // `place_ref` will conflict with any mutation of `place.base`.
context_before:                 // Insert a shallow borrow after a deref. For other projections the borrow of
context_after:                 let place = place_ref.to_place(self.cx.tcx);