[PATCH] D39664: [clang-diff] patching: implement updates

[Johannes Altmanninger via Phabricator via cfe-commits]

johannes created this revision.
Herald added a subscriber: klimek.

This allows to patch nodes that have been updated. We use a LCS
algorithm to determine which tokens changed, and update accordingly.


https://reviews.llvm.org/D39664

Files:
  lib/Tooling/ASTDiff/ASTPatch.cpp
  unittests/Tooling/ASTPatchTest.cpp

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