================
@@ -14644,6 +14644,17 @@ QualType Sema::CheckAddressOfOperand(ExprResult
&OrigOp, SourceLocation OpLoc) {
return QualType();
}
+ // C++11 [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.
+ if (isa<ParenExpr>(OrigOp.get())) {
+ // `op->getEndLoc()` is the last part of the qualified-id.
+ // For example, "baz" in "foo::bar::baz".
+ Diag(op->getEndLoc(), diag::err_invalid_non_static_member_use)
+ << dcl->getDeclName() << op->getSourceRange();
----------------
AaronBallman wrote:
We should also add a fix-it to remove the parentheses as a kindness to the user.
https://github.com/llvm/llvm-project/pull/89713
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