Update to new resolution for DR1458. When taking the address of an object of

incomplete class type which has an overloaded operator&, it's now just
unspecified whether the overloaded operator or the builtin is used.

llvm-svn: 150234

1 files changed, 0 insertions, 12 deletions

diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index e43884e3766..998bb705f9d 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -2944,18 +2944,6 @@ bool PointerExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
 }
 
 bool PointerExprEvaluator::VisitUnaryAddrOf(const UnaryOperator *E) {
-  QualType SrcTy = E->getSubExpr()->getType();
-  // In C++, taking the address of an object of incomplete class type has
-  // undefined behavior if the complete class type has an overloaded operator&.
-  // DR1458 makes such expressions non-constant.
-  if (Info.getLangOpts().CPlusPlus &&
-      SrcTy->isRecordType() && SrcTy->isIncompleteType()) {
-    const RecordType *RT = SrcTy->getAs<RecordType>();
-    Info.CCEDiag(E->getExprLoc(), diag::note_constexpr_addr_of_incomplete, 1)
-      << SrcTy;
-    Info.Note(RT->getDecl()->getLocation(), diag::note_forward_declaration)
-      << RT->getDecl();
-  }
   return EvaluateLValue(E->getSubExpr(), Result, Info);
 }