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* [Bug c++/109247] New: [13 Regression] error: converting to ‘optional<WebCore::SourceBrush::Brush>’ from initializer list would use explicit constructor ‘optional<_Tp>::optional(_Up) [with _Up = int; _Tp = WebCore::SourceBrush::Brush]’ since r13-6765-ga226590fefb35ed6
@ 2023-03-22 12:16 marxin at gcc dot gnu.org
  2023-03-22 12:16 ` [Bug c++/109247] " marxin at gcc dot gnu.org
                   ` (21 more replies)
  0 siblings, 22 replies; 23+ messages in thread
From: marxin at gcc dot gnu.org @ 2023-03-22 12:16 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109247

            Bug ID: 109247
           Summary: [13 Regression] error: converting to
                    ‘optional<WebCore::SourceBrush::Brush>’ from
                    initializer list would use explicit constructor
                    ‘optional<_Tp>::optional(_Up) [with _Up = int; _Tp =
                    WebCore::SourceBrush::Brush]’ since
                    r13-6765-ga226590fefb35ed6
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: rejects-valid
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: mpolacek at gcc dot gnu.org
  Target Milestone: ---

The following is reduced from webkit2gtk3:gtk3 package:

$ cat webcore13.ii
template <typename _Tp> struct optional {
  template <typename _Up> explicit optional(_Up);
  template <typename _Up = _Tp> void operator=(_Up);
};
namespace WebCore {
int setPattern_pattern;
struct SourceBrush {
  struct Brush {
    int brush;
  };
  void setPattern() { m_brush = {setPattern_pattern}; }
  optional<Brush> m_brush;
};
} // namespace WebCore

$ clang++ webcore13.ii -c && g++-12 webcore13.ii -c
$ g++ webcore13.ii -c
webcore13.ii: In member function ‘void WebCore::SourceBrush::setPattern()’:
webcore13.ii:11:52: error: converting to
‘optional<WebCore::SourceBrush::Brush>’ from initializer list would use
explicit constructor ‘optional<_Tp>::optional(_Up) [with _Up = int; _Tp =
WebCore::SourceBrush::Brush]’
   11 |   void setPattern() { m_brush = {setPattern_pattern}; }
      |                                                    ^

^ permalink raw reply	[flat|nested] 23+ messages in thread
end of thread, other threads:[~2024-03-10  3:34 UTC | newest]

Thread overview: 23+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-03-22 12:16 [Bug c++/109247] New: [13 Regression] error: converting to ‘optional<WebCore::SourceBrush::Brush>’ from initializer list would use explicit constructor ‘optional<_Tp>::optional(_Up) [with _Up = int; _Tp = WebCore::SourceBrush::Brush]’ since r13-6765-ga226590fefb35ed6 marxin at gcc dot gnu.org
2023-03-22 12:16 ` [Bug c++/109247] " marxin at gcc dot gnu.org
2023-03-23  9:41 ` [Bug c++/109247] [13 Regression] optional<T> o; o = {x}; wants to use explicit optional(U) constructor " jakub at gcc dot gnu.org
2023-03-23 12:12 ` jason at gcc dot gnu.org
2023-03-23 13:20 ` jason at gcc dot gnu.org
2023-03-23 13:30 ` ppalka at gcc dot gnu.org
2023-03-23 14:04 ` ppalka at gcc dot gnu.org
2023-03-23 18:42 ` jason at gcc dot gnu.org
2023-03-23 18:55 ` jason at gcc dot gnu.org
2023-03-23 20:03 ` jason at gcc dot gnu.org
2023-03-24  9:13 ` marxin at gcc dot gnu.org
2023-03-27 22:29 ` jakub at gcc dot gnu.org
2023-04-26  6:58 ` [Bug c++/109247] [13/14 " rguenth at gcc dot gnu.org
2023-04-28 14:57 ` pinskia at gcc dot gnu.org
2023-04-28 15:41 ` mpolacek at gcc dot gnu.org
2023-05-17 10:19 ` redi at gcc dot gnu.org
2023-05-22 22:52 ` pinskia at gcc dot gnu.org
2023-05-31 19:35 ` jason at gcc dot gnu.org
2023-05-31 21:02 ` jason at gcc dot gnu.org
2023-06-02 15:54 ` cvs-commit at gcc dot gnu.org
2023-06-23 16:43 ` cvs-commit at gcc dot gnu.org
2023-07-27  9:25 ` rguenth at gcc dot gnu.org
2024-03-10  3:34 ` law at gcc dot gnu.org

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