Make sure definition tree has the defined symbol #32972

Job	Run time
test	53m 12s
test_non_bootstrapped	0s
test_windows_fast	31m 34s
MiMa	11m 32s
test_scala2_library_tasty	0s
community_build_b	1h 32m 34s
community_build_a	54m 17s
test_sbt	18m 24s
test_windows_full	0s
community_build_c	1h 4m 50s
build-msi-package	0s
test_java8	0s
build-sdk-package / build	8m 10s
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 34m 54s

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