[all-commits] [llvm/llvm-project] d052a5: [c++2a] Allow comparison functions to be explicitl...

[Richard Smith via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: d052a578de58cbbb638cbe2dba05242d1ff443b9
      https://github.com/llvm/llvm-project/commit/d052a578de58cbbb638cbe2dba05242d1ff443b9
  Author: Richard Smith <richard at metafoo.co.uk>
  Date:   2019-10-22 (Tue, 22 Oct 2019)

  Changed paths:
    M clang/include/clang/AST/Decl.h
    M clang/include/clang/Basic/DiagnosticCommonKinds.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Sema/Sema.h
    M clang/lib/AST/Decl.cpp
    M clang/lib/Parse/ParseDecl.cpp
    M clang/lib/Parse/ParseDeclCXX.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaDeclCXX.cpp
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    A clang/test/CXX/class/class.compare/class.compare.default/p1.cpp
    A clang/test/CXX/class/class.compare/class.eq/p1.cpp
    A clang/test/CXX/class/class.compare/class.rel/p1.cpp
    M clang/test/CXX/dcl.decl/dcl.fct.def/dcl.fct.def.default/p1.cpp
    M clang/test/Parser/cxx0x-decl.cpp
    M clang/test/SemaCXX/cxx0x-defaulted-functions.cpp
    M clang/test/SemaCXX/cxx17-compat.cpp

  Log Message:
  -----------
  [c++2a] Allow comparison functions to be explicitly defaulted.

This adds some initial syntactic checking that only the appropriate
function signatures can be defaulted. No implicit definitions are
generated yet.