[PATCH] D27125: Consider nested namespaces in the canonical namespace as canonical as well.

[Eric Liu via cfe-commits]

ioeric created this revision.
ioeric added a reviewer: bkramer.
ioeric added a subscriber: cfe-commits.
Herald added a subscriber: klimek.

For example, this case was missed when looking for different but canonical
namespaces. UseContext in this case should be considered as in the canonical
namespace.

  namespace a { namespace b { <FromContext> } }
  namespace a { namespace b { namespace c { <UseContext> } } }

Added some commenting.


https://reviews.llvm.org/D27125

Files:
  lib/Tooling/Core/Lookup.cpp
  unittests/Tooling/LookupTest.cpp

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