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From: bangerth@dealii.org To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, harri.pasanen@trema.com, jean-paul_marinier@hp.com, nobody@gcc.gnu.org, tot@trema.com Subject: Re: c++/10245: [3.3/3.4 regression] ?: operator requires public copy constructor of return type Date: Thu, 27 Mar 2003 17:26:00 -0000 [thread overview] Message-ID: <20030327172247.10603.qmail@sources.redhat.com> (raw) Old Synopsis: regression in 3.3, C++ ternary operator confuses type lookup New Synopsis: [3.3/3.4 regression] ?: operator requires public copy constructor of return type State-Changed-From-To: open->analyzed State-Changed-By: bangerth State-Changed-When: Thu Mar 27 17:22:47 2003 State-Changed-Why: Confirmed. This worked in 3.2, but doesn't anymore in 3.3 and 3.4. Here's an extract: ---------------------------- struct X {}; struct Y { Y (); operator X () const; private: Y (const Y &); }; void foo() { X x = (1 ? Y() : Y()); } ------------------------ g/x> /home/bangerth/bin/gcc-3.4-pre/bin/c++ -c x.cc x.cc: In function `void foo()': x.cc:7: error: `Y::Y(const Y&)' is private x.cc:12: error: within this context x.cc:7: error: `Y::Y(const Y&)' is private x.cc:12: error: within this context Apparently it wants to make a copy of the return arguments. Since at least in Standard C++ (not in Gnu C++) ?: returns an rvalue, I don't think this is necessary. W. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10245
next reply other threads:[~2003-03-27 17:22 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-03-27 17:26 bangerth [this message] 2003-03-27 17:56 Andreas Schwab 2003-03-27 18:16 Wolfgang Bangerth 2003-03-27 20:58 Janis Johnson 2003-03-30 21:00 paolo
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