syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // FIXME(unsafe_binders): For now, we have no way to express
context_before:             ty::UnsafeBinder(ty) => {
context_after:                 // that a type must be `ManuallyDrop` OR `Copy` (or a pointer).