[PATCH] D23705: [GraphTraits] Make nodes_iterator dereference to NodeRef

[Tim Shen via cfe-commits]

timshen created this revision.
timshen added a reviewer: dblaikie.
timshen added a subscriber: cfe-commits.

Currently nodes_iterator may dereference to a NodeType* or a NodeType&. Make them all dereference to NodeType*, which is NodeRef later. Corresponding LLVM change: D23704

https://reviews.llvm.org/D23705

Files:
  include/clang/Analysis/Analyses/Dominators.h
  include/clang/Analysis/CFG.h
  include/clang/Analysis/CallGraph.h

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