[PATCH] D65250: [analyzer] exploded-graph-rewriter: Improve user-friendliness.

[Artem Dergachev via Phabricator via cfe-commits]

NoQ updated this revision to Diff 211639.
NoQ added a comment.

Make it a soft failure when graphviz is not installed. Display a friendly warning.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65250/new/

https://reviews.llvm.org/D65250

Files:
  clang/test/Analysis/exploded-graph-rewriter/lit.local.cfg
  clang/utils/analyzer/exploded-graph-rewriter.py

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