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Commit f2407aa9 authored by Jakob Stoklund Olesen's avatar Jakob Stoklund Olesen
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Fix a non-deterministic loop in llvm::MergeBlockIntoPredecessor. 

DT->changeImmediateDominator() trivially ignores identity updates, so there is
really no need for the uniqueing provided by SmallPtrSet.

I expect this to fix PR8954.

llvm-svn: 123286
parent 8c98495f
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