Dotty

Add regression test for #22076 #34396

Job	Run time
test	58m 2s
test_non_bootstrapped	0s
test_scala2_library_tasty	0s
community_build_b	1h 23m 37s
MiMa	10m 20s
test_windows_fast	34m 42s
community_build_a	55m 5s
community_build_c	1h 10m 13s
test_sbt	21m 21s
test_windows_full	0s
build-msi-package	0s
test_java8	0s
build-sdk-package / build	8m 15s
test-msi-package	0s
build-chocolatey-package / build	21s
test-chocolatey-package	0s
publish_nightly	0s
publish_release	0s
nightly_documentation	0s
open_issue_on_failure	0s
	5h 41m 56s

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