[PATCH] D45476: [C++2a] Implement operator<=> CodeGen and ExprConstant

[Eric Fiselier via Phabricator via cfe-commits]

EricWF updated this revision to Diff 142336.
EricWF added a comment.

This revision further improves `ExprConstant` by splitting out evaluation of comparison operations, and report all of which using `ComparisonCategoryResult`.
I think this implementation will satisfy the concerns raised earlier.


https://reviews.llvm.org/D45476

Files:
  include/clang/AST/ASTContext.h
  include/clang/AST/ComparisonCategories.h
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/Sema/Overload.h
  include/clang/Sema/Sema.h
  lib/AST/CMakeLists.txt
  lib/AST/ComparisonCategories.cpp
  lib/AST/ExprConstant.cpp
  lib/CodeGen/CGExprAgg.cpp
  lib/Sema/SemaDeclCXX.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaOverload.cpp
  test/CodeGenCXX/Inputs/std-compare.h
  test/CodeGenCXX/cxx2a-compare.cpp
  test/PCH/Inputs/std-compare.h
  test/PCH/cxx2a-compare.cpp
  test/SemaCXX/Inputs/std-compare.h
  test/SemaCXX/compare-cxx2a.cpp
  test/SemaCXX/constant-expression-cxx2a.cpp

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