SIL: fix a bug which can cause the stack nesting to get broken by SimplifyCFG's jump threading #5390
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@swift-ci Please smoke test and merge |
…plifyCFG's jump threading We must not copy an alloc_ref [stack] in jump-threading (and similar optimizations). fixes rdar://problem/28878079
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@swift-ci Please smoke test and merge |
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We must not copy an alloc_ref [stack] in jump-threading (and similar optimizations).
fixes rdar://problem/28878079