{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::CompoundAssignmentExpressionInLet"}]}
                self.dcx().emit_err(errors::CompoundAssignmentExpressionInLet {
                let extra_op_span = self.psess.source_map().start_point(self.token.span);
                    span: self.token.span,