[PATCH] D36185: [clang-diff] Fix similarity computation

[Alex Lorenz via Phabricator via cfe-commits]

arphaman accepted this revision.
arphaman added a comment.
This revision is now accepted and ready to land.

LGTM.



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Comment at: lib/Tooling/ASTDiff/ASTDiff.cpp:738
+  }
+  double Denominator = T1.getNumberOfDescendants(Id1) - 1 +
+                       T2.getNumberOfDescendants(Id2) - 1 - CommonDescendants;
----------------
Can denominator even be negative here? If no, please assert correspondingly. 


https://reviews.llvm.org/D36185