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From: nathan@gcc.gnu.org To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, lehn@mathematik.uni-ulm.de, nobody@gcc.gnu.org, stip@mathematik.uni-ulm.de Subject: Re: c++/10380: warning about "choosing ... over ..." when there is no choice Date: Sun, 20 Apr 2003 13:39:00 -0000 [thread overview] Message-ID: <20030420133939.1072.qmail@sources.redhat.com> (raw) Synopsis: warning about "choosing ... over ..." when there is no choice State-Changed-From-To: analyzed->closed State-Changed-By: nathan State-Changed-When: Sun Apr 20 13:39:39 2003 State-Changed-Why: not a bug. a = c, is equivalent to a.operator= (c) The candidate function is A::operator=(A const &) There are two user-defined conversion sequences to convert 'c' to 'A const &', these are 1) const qualify C, apply C::operator A () const 2) apply C::operator B (), convert to A const & these are indistinguishable conversion sequences, and therefore the call is ill-formed. G++ is not so picky about things, and finds a conversion that works, but might not be the one you expected. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10380
next reply other threads:[~2003-04-20 13:39 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-04-20 13:39 nathan [this message] -- strict thread matches above, loose matches on Subject: below -- 2003-04-11 19:44 bangerth 2003-04-11 19:16 stip
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