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b2bd7e89e6
This fix simply ensures that both metadata nodes are path-aware before performing path-aware alias analysis. This issue isn't normally triggered in LLVM, because we perform an autoupgrade of the TBAA metadata to the new format when reading in LL or BC files. This issue only appears when a client creates the IR manually and mixes old and new TBAA metadata format. This fixes <rdar://problem/16760860>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207923 91177308-0d34-0410-b5e6-96231b3b80d8
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