bors 6de17b043d Auto merge of #5635 - montrivo:bugfix/option_option_test_case, r=flip1995
option_option test case #4298

Adds regression test case for #4298.

The bug seems still present although rust Playground said otherwise.

changelog: none
2020-05-25 19:22:08 +00:00
..
2020-05-21 14:46:04 +02:00