Use IsManagedType for determining which state machine hoisted locals to clear
#75841
+964
−72
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The logic previously used
MightContainReferenceswhich is a crude approximation ofIsManagedType.This is in preparation for work on #75666
Relates to recent change (#75426) which is also about conditionally clearing state in managed types to let go of any unnecessary references.
Look at the diff between commit 1 (baseline) and commit 2 (code change) to see the expectedOutput and IL changes.