https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
Andrew Pinski changed:
What|Removed |Added
CC||zhonghao at pku dot org.cn
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #12 from Anthony Sharp ---
Okay, so it actually turns out public virtual bases CAN be derived from, since
the C++ spec literally gives an example of just that (e.g. see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #11 from Richard Smith
---
(In reply to Jonathan Wakely from comment #10)
> It looks like Clang has a bug with the inaccessible constructor too, and
> strangely inconsistent handling of the inaccessible destructor.
Access checks
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #9 from Jonathan Wakely ---
(In reply to Nick Krempel from comment #0)
> The following code should fail to compile but does not:
>
> struct V {};
> struct B : private virtual V {};
> struct D : B {};
>
> int main() {
> D d;
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
Anthony Sharp changed:
What|Removed |Added
CC||anthonysharp15 at gmail dot com
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #6 from Daniel Krügler daniel.kruegler at googlemail dot com
2012-10-30 07:28:47 UTC ---
(In reply to comment #4)
I think the standard is unclear on this. That defect report has been queried
by
experts.
Let me clarify that I have
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #7 from Daniel Krügler daniel.kruegler at googlemail dot com
2012-10-30 19:48:21 UTC ---
(In reply to comment #5)
Curious that G++, Comeau and Clang all accept the example in CWG issue 7,
despite the rationale (and Mike) indicating
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #1 from Nick Krempel ndkrempel at gmail dot com 2012-10-29
16:08:49 UTC ---
Not so clear this is a bug, as the default constructor for D could be generated
in the following form:
struct D : B {
D() : B(), ::V() {}
}
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
Jonathan Wakely redi at gcc dot gnu.org changed:
What|Removed |Added
CC||jason at
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #3 from Daniel Krügler daniel.kruegler at googlemail dot com
2012-10-29 19:20:26 UTC ---
(In reply to comment #2)
This is http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#7 which
was
closed as NAD saying This is what
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #4 from Nick Krempel ndkrempel at gmail dot com 2012-10-29
22:41:48 UTC ---
I think the standard is unclear on this. That defect report has been queried by
experts.
It comes down to something subtle about how the generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55120
--- Comment #5 from Jonathan Wakely redi at gcc dot gnu.org 2012-10-29
23:12:12 UTC ---
I think Johannes is right, the virtual base is default-initialized without
needing to look up its name in the scope of D, and the implicitly-defined
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