[PATCH] D152345: [include-cleaner] Report all specializations if the primary template is introduced by a using-decl.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: kadircet.
Herald added a project: All.
hokein requested review of this revision.
Herald added a project: clang-tools-extra.

This will fix unused-include false positive.

  // primary.h
  namespace ns {
  template<class T1, class T2> class Z {}; // primary template
  }
  
  // partial.h
  namespace ns {
  template<class T> class Z<T, T*> {};     // partial specialization
  }
  
  // main.cpp
  
  using ns::Z; // refs to the primary
  void k() {
    Z<int, int*> z; // use the partial specialization
  }


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152345

Files:
  clang-tools-extra/include-cleaner/lib/WalkAST.cpp
  clang-tools-extra/include-cleaner/unittests/WalkASTTest.cpp

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