+2020-04-30 Alex Coplan <alex.coplan@arm.com>
+
+ * config/tc-aarch64.c (fix_insn): Implement for
+ AARCH64_OPND_UNDEFINED.
+ (parse_operands): Implement for AARCH64_OPND_UNDEFINED.
+ * testsuite/gas/aarch64/udf.s: New.
+ * testsuite/gas/aarch64/udf.d: New.
+ * testsuite/gas/aarch64/udf-invalid.s: New.
+ * testsuite/gas/aarch64/udf-invalid.l: New.
+ * testsuite/gas/aarch64/udf-invalid.d: New.
+
2020-04-30 Yoshinori Sato <ysato@users.sourceforge.jp>
* config/tc-rx.c (elf_flags): Reset default value.