syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"debug_assert!(self.locals[local].is_none());"}]}
source_snippet:             debug_assert!(self.locals[local].is_none());
context_before:             // Create a place for the local.
context_after:             let place = self.places.push(PlaceInfo::new(decl.ty, None));