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Commit f15c0bb4 authored by Michael Gottesman's avatar Michael Gottesman
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Fixed an infinite loop in the block escape in analysis in ObjCARC caused by 2x... 

Fixed an infinite loop in the block escape in analysis in ObjCARC caused by 2x blocks each assigned a value via a phi-node causing each to depend on the other.

A test case is provided as well.

llvm-svn: 172368
parent 765396f2
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