syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:         && tcx.is_lang_item(trait_ref.instantiate_identity().def_id, LangItem::Drop)
context_before:             tcx.impl_of_assoc(def_id.to_def_id()).and_then(|def_id| tcx.impl_trait_ref(def_id))
context_after:         // avoid erroneous `Drop` impls from causing ICEs below