[PATCH] D29877: Warn about unused static file scope function template declarations.

[NAKAMURA Takumi via Phabricator via cfe-commits]

chapuni added a comment.

This brought warnings in llvm tree. Could you take a look, please?

http://bb.pgr.jp/builders/clang-3stage-x86_64-linux/builds/14936 (w/o asserts)

  llvm/include/llvm/ADT/PointerUnion.h:193:13: warning: unused function 'operator==' [-Wunused-function]
  llvm/include/llvm/ADT/PointerUnion.h:198:13: warning: unused function 'operator!=' [-Wunused-function]
  llvm/include/llvm/ADT/PointerUnion.h:203:13: warning: unused function 'operator<' [-Wunused-function]
  llvm/include/llvm/Analysis/LoopInfoImpl.h:581:1: warning: unused function 'addInnerLoopsToHeadersMap' [-Wunused-function]
  llvm/include/llvm/ExecutionEngine/Orc/RPCUtils.h:292:14: warning: unused function 'respond' [-Wunused-function]
  llvm/include/llvm/Object/ELF.h:343:13: warning: unused function 'compareAddr' [-Wunused-function]
  llvm/lib/Analysis/InlineCost.cpp:1444:13: warning: unused function 'attributeMatches' [-Wunused-function]
  llvm/lib/DebugInfo/CodeView/CVSymbolVisitor.cpp:20:14: warning: unused function 'takeObject' [-Wunused-function]
  llvm/lib/IR/Verifier.cpp:836:13: warning: unused function 'isValidMetadataArrayImpl' [-Wunused-function]
  llvm/lib/IR/Verifier.cpp:849:33: warning: unused function 'isValidMetadataArray' [-Wunused-function]
  llvm/lib/IR/Verifier.cpp:853:33: warning: unused function 'isValidMetadataNullArray' [-Wunused-function]
  llvm/lib/Object/MachOObjectFile.cpp:111:13: warning: unused function 'advance' [-Wunused-function]
  llvm/lib/Target/AMDGPU/AMDILCFGStructurizer.cpp:103:6: warning: unused function 'ReverseVector' [-Wunused-function]


https://reviews.llvm.org/D29877