DiagnoseInfiniteRecursion: fix a false warning caused by dead-end blocks #38906
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The algorithm needs to take care of dead-end blocks. This is done by propagating two flags instead of one: `reachesRecursiveCall` and `reachesFunctionExit`. Dead-end blocks have none of both flags set. rdar://80645083
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The algorithm needs to take care of dead-end blocks.
This is done by propagating two flags instead of one:
reachesRecursiveCallandreachesFunctionExit.Dead-end blocks have none of both flags set.
rdar://80645083