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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/60566] [4.9 Regression] r208573 omits needed thunks Date: Tue, 25 Mar 2014 20:25:00 -0000 [thread overview] Message-ID: <bug-60566-4-Y1EkXqost5@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-60566-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60566 Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |ASSIGNED Last reconfirmed| |2014-03-25 Resolution|INVALID |--- Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org Summary|[4.9 Regression] r208573 |[4.9 Regression] r208573 |miscompiles kdelibs |omits needed thunks Ever confirmed|0 |1 --- Comment #13 from Jason Merrill <jason at gcc dot gnu.org> --- Actually, this is an ABI breakage even without devirtualization: wa.h: struct A { virtual void f() = 0; virtual ~A() {} }; struct B: virtual A { int i; }; struct C: virtual A { int i; ~C(); }; wa.C: #include "wa.h" struct D: B, C { void f(); }; void D::f() {} wa2.C: #include "wa.h" C::~C() { } int main() {} Compiling wa.C with 4.8 and wa2.C with 4.9 results in undefined symbol errors.
next prev parent reply other threads:[~2014-03-25 20:25 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-60566-4@http.gcc.gnu.org/bugzilla/> 2014-03-19 7:53 ` [Bug c++/60566] [4.9 Regression] r208573 miscompiles kdelibs trippels at gcc dot gnu.org 2014-03-19 8:02 ` trippels at gcc dot gnu.org 2014-03-19 8:53 ` jakub at gcc dot gnu.org 2014-03-19 15:02 ` jason at gcc dot gnu.org 2014-03-19 15:16 ` trippels at gcc dot gnu.org 2014-03-19 15:24 ` jakub at gcc dot gnu.org 2014-03-19 15:32 ` trippels at gcc dot gnu.org 2014-03-19 16:29 ` jason at gcc dot gnu.org 2014-03-19 17:43 ` trippels at gcc dot gnu.org 2014-03-19 17:53 ` jakub at gcc dot gnu.org 2014-03-19 18:01 ` trippels at gcc dot gnu.org 2014-03-19 18:11 ` jakub at gcc dot gnu.org 2014-03-25 20:25 ` jason at gcc dot gnu.org [this message] 2014-03-26 16:51 ` [Bug c++/60566] [4.9 Regression] r208573 omits needed thunks jason at gcc dot gnu.org 2014-03-26 17:15 ` jason at gcc dot gnu.org
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