[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.

1 files changed, 0 insertions, 22 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 62ec83967bf..6202391ee0b 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -2993,28 +2993,6 @@ struct GNUCompatibleParamWarning {
 
 } // end anonymous namespace
 
-/// getSpecialMember - get the special member enum for a method.
-Sema::CXXSpecialMember Sema::getSpecialMember(const CXXMethodDecl *MD) {
-  if (const CXXConstructorDecl *Ctor = dyn_cast<CXXConstructorDecl>(MD)) {
-    if (Ctor->isDefaultConstructor())
-      return Sema::CXXDefaultConstructor;
-
-    if (Ctor->isCopyConstructor())
-      return Sema::CXXCopyConstructor;
-
-    if (Ctor->isMoveConstructor())
-      return Sema::CXXMoveConstructor;
-  } else if (isa<CXXDestructorDecl>(MD)) {
-    return Sema::CXXDestructor;
-  } else if (MD->isCopyAssignmentOperator()) {
-    return Sema::CXXCopyAssignment;
-  } else if (MD->isMoveAssignmentOperator()) {
-    return Sema::CXXMoveAssignment;
-  }
-
-  return Sema::CXXInvalid;
-}
-
 // Determine whether the previous declaration was a definition, implicit
 // declaration, or a declaration.
 template <typename T>