syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:                 } else {
context_before:                     self.report_calling_closure(&self.thir[fun], args[1].as_type().unwrap(), expr);
context_after:                     // This can happen when tail calling `Box` that wraps a function