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From: hkb@eastcoastpaper.com
To: gcc-gnats@gcc.gnu.org
Subject: c++/7398: An ambiguity error is flagged during cast with proper perfect single match.
Date: Wed, 24 Jul 2002 13:06:00 -0000 [thread overview]
Message-ID: <20020724195933.16936.qmail@sources.redhat.com> (raw)
>Number: 7398
>Category: c++
>Synopsis: An ambiguity error is flagged during cast with proper perfect single match.
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Wed Jul 24 13:06:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Harold K. Brown @ East Coast Paper Stock, Inc.
>Release: g++ 2.95.4
>Organization:
>Environment:
Debian woody on Pentium III
>Description:
When B y; (A)y; is invoked B:operator A() does not get selected over that of the non-matching constructors in A.
>How-To-Repeat:
compile source code with default sttings.
g++ casting_bug.cpp
Note that the file has no #'s, include files, or macros.
>Fix:
Must do the cast in the form
A x;
B y;
(A)y; // does not work in this case
static_cast<A>(y); // does not work in this case
y.operator A(); // does work in all tested cases
// in this context
>Release-Note:
>Audit-Trail:
>Unformatted:
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next reply other threads:[~2002-07-24 20:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-24 13:06 hkb [this message]
2002-07-25 7:42 lerdsuwa
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