================
Comment at: lib/AST/ASTTypeTraits.cpp:47
@@ +46,3 @@
+ for (unsigned Parent = NKI_None; Parent < NKI_NumberOfKinds; ++Parent)
+ ParentDistances[Node][Parent] = -1U;
+ unsigned Distance = 0;
----------------
Also, perhaps declare a constant to std::numeric_limits<unsigned>::max()?
================
Comment at: lib/AST/ASTTypeTraits.cpp:61
@@ +60,3 @@
+bool ASTNodeKind::isBaseOf(ASTNodeKind Other) const {
+ static const NodeParentMap *Map = new NodeParentMap;
+ return Map->ParentDistances[Other.KindId][KindId] != -1U;
----------------
Not sure whether we care about thread safety here (and VS <= 2013 still not
providing it).
http://reviews.llvm.org/D5577
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