[PATCH] D99396: [clang] Support C++20's using ENUM_ID::IDENTIFIER

[Anton Bikineev via Phabricator via cfe-commits]

AntonBikineev created this revision.
AntonBikineev added a reviewer: rsmith.
AntonBikineev added a project: clang.
AntonBikineev requested review of this revision.

This change merely allows nested-name-specifiers for enums in using
declarations but doesn't add support for the "using-enum-declaration"
syntax proposed in P1099 <https://reviews.llvm.org/P1099>.


Repository:
  rC Clang

https://reviews.llvm.org/D99396

Files:
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/Sema/SemaDeclCXX.cpp
  clang/test/SemaCXX/cxx20-using-enum.cpp
  clang/test/SemaCXX/enum-scoped.cpp

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