Your message dated Sat, 20 Oct 2007 13:17:12 +0000 with message-id <[EMAIL PROTECTED]> and subject line Bug#440483: fixed in gcc-snapshot 20071020-1 has caused the attached Bug report to be marked as done.
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--- Begin Message ---Package: gcc-snapshot Version: 20070829-1 Severity: normal The following code compiles with g++ 4.2 but fails with "ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second" when compiling with latest gcc-snapshot. If I remove the QString include it compiles with gcc-snapshot. // Flags needed: -I/usr/include/qt4/ -lQtCore #include <QtCore/QString> #include <QtCore/QByteArray> int main() { if (QByteArray() == QByteArray()) return 1; return 0; } Below is a simpler example that illustrates the same problem. struct A { A(const struct B&) {} }; struct B { bool operator==(const A&) const { return true; } }; bool operator==(const B&, const B&) { return false; } int main() { if (B() == B()) return 1; return 0; } Is this a regression in gcc or is it something that must be fixed by making A's constructor explicit? // Erik -- System Information: Debian Release: lenny/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: i386 (i686) Kernel: Linux 2.6.22-1-k7 (SMP w/1 CPU core) Locale: LANG=en_DK.UTF-8, LC_CTYPE=sv_SE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages gcc-snapshot depends on: ii binutils 2.18-1 The GNU assembler, linker and bina ii lib64gcc1 1:4.2.1-4 GCC support library (64bit) ii libasound2 1.0.14a-2 ALSA library ii libatk1.0-0 1.18.0-2 The ATK accessibility toolkit ii libc6 2.6.1-1+b1 GNU C Library: Shared libraries ii libc6-amd64 2.6.1-1+b1 GNU C Library: 64bit Shared librar ii libc6-dev 2.6.1-1+b1 GNU C Library: Development Librari ii libcairo2 1.4.10-1 The Cairo 2D vector graphics libra ii libfontconfig1 2.4.2-1.2 generic font configuration library ii libfreetype6 2.3.5-1+b1 FreeType 2 font engine, shared lib ii libgcc1 1:4.2.1-4 GCC support library ii libgcj-bc 4.2.1-4 Link time only library for use wit ii libglib2.0-0 2.14.0-2 The GLib library of C routines ii libgmp3c2 2:4.2.1+dfsg-5 Multiprecision arithmetic library ii libgtk2.0-0 2.10.13-1 The GTK+ graphical user interface ii libice6 2:1.0.4-1 X11 Inter-Client Exchange library ii libmpfr1ldbl 2.3.0.dfsg.1-2 multiple precision floating-point ii libpango1.0-0 1.16.5-1 Layout and rendering of internatio ii libpng12-0 1.2.15~beta5-2 PNG library - runtime ii libsm6 2:1.0.3-1+b1 X11 Session Management library ii libx11-6 2:1.0.3-7 X11 client-side library ii libxcursor1 1:1.1.9-1 X cursor management library ii libxext6 1:1.0.3-2 X11 miscellaneous extension librar ii libxfixes3 1:4.0.3-2 X11 miscellaneous 'fixes' extensio ii libxi6 2:1.1.2-1 X11 Input extension library ii libxinerama1 1:1.0.2-1 X11 Xinerama extension library ii libxrandr2 2:1.2.1-1 X11 RandR extension library ii libxrender1 1:0.9.3-1 X Rendering Extension client libra ii libxtst6 2:1.0.3-1 X11 Testing -- Resource extension ii zlib1g 1:1.2.3.3.dfsg-5 compression library - runtime gcc-snapshot recommends no packages. -- no debconf information
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--- Begin Message ---Source: gcc-snapshot Source-Version: 20071020-1 We believe that the bug you reported is fixed in the latest version of gcc-snapshot, which is due to be installed in the Debian FTP archive: gcc-snapshot_20071020-1.diff.gz to pool/main/g/gcc-snapshot/gcc-snapshot_20071020-1.diff.gz gcc-snapshot_20071020-1.dsc to pool/main/g/gcc-snapshot/gcc-snapshot_20071020-1.dsc gcc-snapshot_20071020-1_amd64.deb to pool/main/g/gcc-snapshot/gcc-snapshot_20071020-1_amd64.deb gcc-snapshot_20071020.orig.tar.gz to pool/main/g/gcc-snapshot/gcc-snapshot_20071020.orig.tar.gz A summary of the changes between this version and the previous one is attached. Thank you for reporting the bug, which will now be closed. If you have further comments please address them to [EMAIL PROTECTED], and the maintainer will reopen the bug report if appropriate. Debian distribution maintenance software pp. Martin Michlmayr <[EMAIL PROTECTED]> (supplier of updated gcc-snapshot package) (This message was generated automatically at their request; if you believe that there is a problem with it please contact the archive administrators by mailing [EMAIL PROTECTED]) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Format: 1.7 Date: Sat, 20 Oct 2007 09:44:53 +0200 Source: gcc-snapshot Binary: gcc-snapshot Architecture: source amd64 Version: 20071020-1 Distribution: unstable Urgency: low Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org> Changed-By: Martin Michlmayr <[EMAIL PROTECTED]> Description: gcc-snapshot - A SNAPSHOT of the GNU Compiler Collection Closes: 440378 440483 Changes: gcc-snapshot (20071020-1) unstable; urgency=low . * Sync with Ubuntu's gcc-snapshot package (20071019-0ubuntu1). * SVN 20071020, taken from the trunk, revision 129504. - c++: ambiguous operator== error (closes: #440483). - PR middle-end/33273: unrecognizable insn: in extract_insn, at recog.c:1990 (closes: #440378). * Revert libstdc++ to revision 129434 because the recent removal of pre-ISO C++ items from include/backwards is controversial, see http://gcc.gnu.org/ml/gcc/2007-10/msg00244.html . gcc-snapshot (20071019-0ubuntu1) hardy; urgency=low . * Update to SVN 20071019 from the trunk. * Update debian patches to the current trunk. Files: d16d56e2759f1d094361799e13f1983c 2520 devel optional gcc-snapshot_20071020-1.dsc 4adb36ac9194c99eb0ec4b84f80b9444 53520810 devel optional gcc-snapshot_20071020.orig.tar.gz 724258a2b68ccbcbe5fa4b0de2c4fb24 236928 devel optional gcc-snapshot_20071020-1.diff.gz 614244757ad0c2a77cb636cc65bc055e 87067158 devel extra gcc-snapshot_20071020-1_amd64.deb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHGfhgKb5dImj9VJ8RApi8AKCjRpuji1eN/8NqJTny6hGHSCWslQCeN9sK SntEaxKb/zBpY3ENjl7DBXk= =F2Cv -----END PGP SIGNATURE-----
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