Three fixes to SAM type handling #32480

Job	Run time
test	52m 1s
test_non_bootstrapped	0s
community_build_a	57m 37s
community_build_b	1h 26m 11s
community_build_c	59m 45s
MiMa	11m 53s
test_sbt	17m 13s
test_scala2_library_tasty	0s
test_windows_fast	27m 19s
test_windows_full	0s
test_java8	0s
build-msi-package	0s
build-sdk-package / build	7m 47s
build-chocolatey-package / build	20s
test-chocolatey-package	0s
publish_nightly	0s
publish_release	0s
nightly_documentation	0s
open_issue_on_failure	0s
	5h 20m 6s

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