[PATCH] D41003: Silence GCC 7 warning by using an enum class.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.

This silences the following GCC7 warning:

  lib/Target/Hexagon/HexagonISelDAGToDAGHVX.cpp:142:30: warning:
  enumeral and non-enumeral type in conditional expression [-Wextra]
       return F != Colors.end() ? F->second : None;
                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~


https://reviews.llvm.org/D41003

Files:
  lib/Target/Hexagon/HexagonISelDAGToDAGHVX.cpp

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