syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // DerefTemp locals (results of CopyForDeref) don't actually move anything.
context_before:             StatementKind::StorageDead(local) => {
context_after:                 if !self.body.local_decls[*local].is_deref_temp() {