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From: "oleksandr.koval.dev at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/109935] New: CTAD for an aggregate with a dependent base class doesn't work Date: Mon, 22 May 2023 19:55:18 +0000 [thread overview] Message-ID: <bug-109935-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109935 Bug ID: 109935 Summary: CTAD for an aggregate with a dependent base class doesn't work Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: oleksandr.koval.dev at gmail dot com Target Milestone: --- https://godbolt.org/z/s9cM719n3 ```cpp template <typename T> struct B { T x; }; template <typename T> struct C : public B<T> { }; void f(){ B{1}; // works as expected C{{1}}; // error } ``` Not 100% sure about it but I see no reason for `C{{1}}` not to work. Extra set of braces is required because B<T> is a dependent base class and brace elision doesn't work for it (https://eel.is/c++draft/over.match.class.deduct#1.5.1).
next reply other threads:[~2023-05-22 19:55 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-22 19:55 oleksandr.koval.dev at gmail dot com [this message] 2023-05-22 19:59 ` [Bug c++/109935] " pinskia at gcc dot gnu.org 2023-05-22 20:02 ` oleksandr.koval.dev at gmail dot com 2023-05-22 20:40 ` pinskia at gcc dot gnu.org 2023-05-22 20:41 ` pinskia at gcc dot gnu.org 2023-05-23 10:30 ` oleksandr.koval.dev at gmail dot com
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