int $-129
# CHECK: error: invalid operand for instruction
# CHECK: int $-129
+# CHECK: ^
+
+ inb $65535, %al
+# CHECK: error: invalid operand for instruction
+# CHECK: inb $65535, %al
+# CHECK: ^
+
+ outb %al, $65535
+# CHECK: error: invalid operand for instruction
+# CHECK: outb %al, $65535
# CHECK: ^