dead code elimination: Fixed a crash when trying to get the immediate post-dominating block in an infinite loop. #16912
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... and adapted a test of inifnite-loops. rdar://problem/34013900
… post-dominating block in an infinite loop. SR-7805 rdar://problem/40650953
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@swift-ci smoke test and merge |
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SR-7805
rdar://problem/40650953
Also re-enable dead_code_elimination test.
rdar://problem/34013900