{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.mir.caller_location_span(source_info,"}]}
        self.mir.caller_location_span(source_info, self.caller_location, bx.tcx(), |span: Span| {
    ) -> OperandRef<'tcx, Bx::Value> {
            let const_loc = bx.tcx().span_as_caller_location(span);