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From: stip@mathematik.uni-ulm.de To: gcc-gnats@gcc.gnu.org Subject: c++/10337: "ambiguous overload"-error for non-ambiguous situation Date: Mon, 07 Apr 2003 12:06:00 -0000 [thread overview] Message-ID: <20030407120546.28136.qmail@sources.redhat.com> (raw) >Number: 10337 >Category: c++ >Synopsis: "ambiguous overload"-error for non-ambiguous situation >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: rejects-legal >Submitter-Id: net >Arrival-Date: Mon Apr 07 12:06:00 UTC 2003 >Closed-Date: >Last-Modified: >Originator: Alexander Stippler >Release: unknown-1.0 >Organization: >Environment: Solaris 2.9 gcc 3.2 >Description: convtest.cc:25: ambiguous overload for `B& = C&' operator convtest.cc:9: candidates are: void B::operator=(const A&) convtest.cc:10: void B::operator=(const B&) The second assignment operator (line 10) has to be chosen IMO because of section 13.3.3.2/3 of the standard. Compiles with gcc 3.3 / 3.4 but emits warnings (why?) class A { public: A() {} }; class B : public A { public: B() {} void operator=(const A& b) {} void operator=(const B& b) {} }; class C { public: C() {} operator B &() { return _b; } operator const B &() const { return _b; } B _b; }; int main() { B b; C c; b = c; } >How-To-Repeat: g++ convtest.cc >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2003-04-07 12:06 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-04-07 12:06 stip [this message] 2003-04-10 14:32 bangerth 2003-04-20 12:52 nathan 2003-04-24 16:31 nathan
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