[PATCH] Add Distance parameter to ASTNodeKind::isBaseOf.

[Samuel Benzaquen]

================
Comment at: unittests/AST/ASTTypeTraitsTest.cpp:46
@@ +45,3 @@
+  Distance = 0;
+  EXPECT_TRUE(DNT<VarDecl>().isBaseOf(DNT<ParmVarDecl>(), &Distance));
+  EXPECT_EQ(1u, Distance);
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Please add one where Distance > 1.


http://llvm-reviews.chandlerc.com/D2209