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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/55437] Non-const copy constructor causes error - even if not called Date: Thu, 22 Nov 2012 12:48:00 -0000 [thread overview] Message-ID: <bug-55437-4-QS0el8IzGh@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-55437-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55437 Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-11-22 12:48:09 UTC --- The program is ill-formed. String S = (char*)"Test"; is equivalent to String S = String((char*)"Test"); which requires an accessible copy constructor (or in C++11 move constructor) that takes an rvalue argument (i.e. temporary). A non-const reference cannot bind to a temporary, so your copy constructor is not viable. The copy constructor must be accessible and viable even if the copy is elided and the copy constructor is not used. You'll get the same error from any conforming C++ compiler.
prev parent reply other threads:[~2012-11-22 12:48 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-11-22 5:17 [Bug c++/55437] New: " rockydowns0485 at msn dot com 2012-11-22 12:48 ` redi at gcc dot gnu.org [this message]
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