+2018-08-07 James Patrick Conlon <cptjustice@gmail.com>
+ Nick Clifton <nickc@redhat.com>
+
+ PR 23481
+ * config/tc-pdp11.c (parse_op_noreg): Check for deferred register
+ addressing before assuming non-deferred addressing.
+ * testsuite/gas/pdp11/pr23481.s: New test source file.
+ * testsuite/gas/pdp11/pr23481.d: New test driver file.
+ * testsuite/gas/pdp11/pdp11.exp: Run the new test.
+