[PATCH] D45680: [C++2a] Implement operator<=> Part 2: Operator Rewritting and Overload Resolution.

[Eric Fiselier via Phabricator via cfe-commits]

EricWF updated this revision to Diff 146090.
EricWF added a comment.

Remove a bunch of nonsense this patch originally had. Specifically remove the bits of overload resolution which disambiguated rewritten expressions after the fact; Instead attempt to validate that the return type of the three-way comparison operand in a rewritten relational or equality can be used with the the specified operand (e.g. `std::strong_equality` cannot be used with a relational operator).


https://reviews.llvm.org/D45680

Files:
  include/clang/AST/ComparisonCategories.h
  include/clang/AST/Expr.h
  include/clang/AST/ExprCXX.h
  include/clang/AST/RecursiveASTVisitor.h
  include/clang/AST/Stmt.h
  include/clang/Basic/StmtNodes.td
  include/clang/Sema/Overload.h
  include/clang/Sema/Sema.h
  include/clang/Serialization/ASTBitCodes.h
  lib/AST/ComparisonCategories.cpp
  lib/AST/Expr.cpp
  lib/AST/ExprClassification.cpp
  lib/AST/ExprConstant.cpp
  lib/AST/ItaniumMangle.cpp
  lib/AST/StmtPrinter.cpp
  lib/AST/StmtProfile.cpp
  lib/CodeGen/CGExprScalar.cpp
  lib/Sema/SemaExceptionSpec.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaOverload.cpp
  lib/Sema/TreeTransform.h
  lib/Serialization/ASTReaderStmt.cpp
  lib/Serialization/ASTWriterStmt.cpp
  lib/StaticAnalyzer/Core/ExprEngine.cpp
  test/CodeGenCXX/cxx2a-compare.cpp
  test/SemaCXX/compare-cxx2a.cpp

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