[PATCH] D29176: [change-namespace] add leading '::' to references in new namespace when name conflict is possible.

[Eric Liu via Phabricator via cfe-commits]

ioeric created this revision.

For example, when we change 'na' to "nb::nc", we need to add leading '::' to
references "::nc::X" in the changed namespace.


https://reviews.llvm.org/D29176

Files:
  change-namespace/ChangeNamespace.cpp
  unittests/change-namespace/ChangeNamespaceTests.cpp

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