[analyzer] In LivenessValues::equals also check liveBindings

This was likely accidentally omitted when `liveBindings` was introduced.
I don't think in practice it matters.

Author: steakhal

clang/lib/Analysis/LiveVariables.cpp

@@ -128,7 +128,8 @@ LiveVariablesImpl::merge(LiveVariables::LivenessValues valsA,
 }
 
 bool LiveVariables::LivenessValues::equals(const LivenessValues &V) const {
-  return liveExprs == V.liveExprs && liveDecls == V.liveDecls;
+  return liveExprs == V.liveExprs && liveDecls == V.liveDecls &&
+         liveBindings == V.liveBindings;
 }
 
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