[all-commits] [llvm/llvm-project] 1cbdf9: PR46231: Promote diagnostic for 'template<...>; ' f...

[Richard Smith via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 1cbdf932b41eb58ed94fbc240e93b63653d95bd3
      https://github.com/llvm/llvm-project/commit/1cbdf932b41eb58ed94fbc240e93b63653d95bd3
  Author: Richard Smith <richard at metafoo.co.uk>
  Date:   2020-07-29 (Wed, 29 Jul 2020)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/Sema/SemaDecl.cpp
    M clang/test/Parser/cxx-template-decl.cpp
    M clang/test/SemaCXX/PR16677.cpp
    M clang/test/SemaCXX/invalid-template-params.cpp
    M clang/test/SemaTemplate/template-decl-fail.cpp

  Log Message:
  -----------
  PR46231: Promote diagnostic for 'template<...>;' from ExtWarn to Error.

No other compiler accepts this as an extension, not even in permissive
mode. We're not doing anyone any favors by allowing this, and it's
unlikely to be at all common, even in Clang-only code, in the wild.