syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":")"}]}
source_snippet: ) -> Result<&'tcx FnAbi<'tcx, Ty<'tcx>>, &'tcx FnAbiError<'tcx>> {
context_before:     instance: Option<ty::Instance<'tcx>>,
context_after:     let tcx = cx.tcx();