NEW162989
[DFG] AI should track ClassInfo by AbstractValue 
https://bugs.webkit.org/show_bug.cgi?id=162989
Summary [DFG] AI should track ClassInfo by AbstractValue
Yusuke Suzuki
Reported 2016-10-05 16:20:31 PDT
AbstractValue should have ClassInfo that all the possible values belongs to. ClassInfo offers hierarchical information. This can be leveraged like, merging two AbstractValue's ClassInfos into one lowest common ancestor.
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