Address Erich's feedback

Author: cor3ntin

clang/include/clang/AST/ExprCXX.h

@@ -3025,10 +3025,10 @@ class OverloadExpr : public Expr {
 
 public:
   struct FindResult {
-    OverloadExpr *Expression;
-    bool IsAddressOfOperand;
-    bool IsAddressOfOperandWithParen;
-    bool HasFormOfMemberPointer;
+    OverloadExpr *Expression = nullptr;
+    bool IsAddressOfOperand = false;
+    bool IsAddressOfOperandWithParen = false;
+    bool HasFormOfMemberPointer = false;
   };
 
   /// Finds the overloaded expression in the given expression \p E of
@@ -3053,9 +3053,6 @@ class OverloadExpr : public Expr {
       Result.IsAddressOfOperandWithParen = HasParen;
       Result.Expression = Ovl;
     } else {
-      Result.HasFormOfMemberPointer = false;
-      Result.IsAddressOfOperand = false;
-      Result.IsAddressOfOperandWithParen = false;
       Result.Expression = cast<OverloadExpr>(E);
     }
 

clang/lib/Sema/SemaExpr.cpp

@@ -5813,11 +5813,15 @@ static TypoCorrection TryTypoCorrectionForCall(Sema &S, Expr *Fn,
   return TypoCorrection();
 }
 
+// [C++26][[expr.unary.op]/p4
+// A pointer to member is only formed when an explicit &
+// is used and its operand is a qualified-id not enclosed in parentheses.
 static bool isParenthetizedAndQualifiedAddressOfExpr(Expr *Fn) {
   if (!isa<ParenExpr>(Fn))
     return false;
 
   Fn = Fn->IgnoreParens();
+
   auto *UO = dyn_cast<UnaryOperator>(Fn);
   if (!UO || UO->getOpcode() != clang::UO_AddrOf)
     return false;