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* [Bug c++/16713] New: call of template member function rejected @ 2004-07-26 10:54 marco at technoboredom dot net 2004-07-26 11:26 ` [Bug c++/16713] " marco at technoboredom dot net ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: marco at technoboredom dot net @ 2004-07-26 10:54 UTC (permalink / raw) To: gcc-bugs The following code compiles on Intel Compiler for Linux 8.0 and Microsoft Visual C++ 7.1, but is rejected by gcc: /* BEGIN */ template<class T> void fail1() { T::f<T>(); } /* END */ results in the error message: marco@gontscharow:~/tmp/gcc$ /opt/gcc-3.4.1/bin/g++ -c a.cc a.cc: In function `void fail1()': a.cc:5: error: expected primary-expression before '>' token a.cc:5: error: expected primary-expression before ')' token marco@gontscharow:~/tmp/gcc$ /opt/gcc-3.4.1/bin/g++ -v Reading specs from /opt/gcc-3.4.1/lib/gcc/i686-pc-linux-gnu/3.4.1/specs Configured with: /usr/local/src/gcc/source/gcc-3.4.1/configure -v --prefix=/opt/gcc-3.4.1 --enable-shared --disable-checking --verbose --with-gnu-as --with-gnu-ld --enable-__cta_atexit --enable-threads=posix Thread model: posix gcc version 3.4.1 Suspecting this as a parsing problem, I found this possible variation: /* BEGIN */ template<class T> void fail2() { T::f<0,0>(0); } class X { public: template<int x, int y> void f(int); }; int x() { fail2<X>(); } /*END*/ This results in the following message: marco@gontscharow:~/tmp/gcc$ /opt/gcc-3.4.1/bin/g++ -c a.cc a.cc: In function `void fail2() [with T = X]': a.cc:14: instantiated from here a.cc:4: error: invalid operands of types `<unknown type>' and `int' to binary `operator<' I therefore guess, that gcc parses: T::f<0,0>(0); as (T::f<0) , (0>(0)) And fails in: T::f<T>(); Because it thinks: (T::f<T) >(); -- Summary: call of template member function rejected Product: gcc Version: 3.4.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: marco at technoboredom dot net CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i486-slackware-linux GCC host triplet: i486-slackware-linux GCC target triplet: i486-slackware-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16713 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/16713] call of template member function rejected 2004-07-26 10:54 [Bug c++/16713] New: call of template member function rejected marco at technoboredom dot net @ 2004-07-26 11:26 ` marco at technoboredom dot net 2004-07-26 13:30 ` pinskia at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: marco at technoboredom dot net @ 2004-07-26 11:26 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From marco at technoboredom dot net 2004-07-26 11:26 ------- After getting suspicious on the validity of the code (though accepted by other compilers), I found that the correct, insane syntax is: template<class T> void fail() { T::template fail<T>(); } My regrets. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16713 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/16713] call of template member function rejected 2004-07-26 10:54 [Bug c++/16713] New: call of template member function rejected marco at technoboredom dot net 2004-07-26 11:26 ` [Bug c++/16713] " marco at technoboredom dot net @ 2004-07-26 13:30 ` pinskia at gcc dot gnu dot org 2004-11-05 19:28 ` bangerth at dealii dot org 2004-11-05 19:32 ` bangerth at dealii dot org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-07-26 13:30 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-07-26 13:30 ------- Yes you could have found it easier if you had read the release notes first at <http://gcc.gnu.org/ gcc-3.4/changes.html>, just like your other bug which it tells you how to fix your code. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16713 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/16713] call of template member function rejected 2004-07-26 10:54 [Bug c++/16713] New: call of template member function rejected marco at technoboredom dot net 2004-07-26 11:26 ` [Bug c++/16713] " marco at technoboredom dot net 2004-07-26 13:30 ` pinskia at gcc dot gnu dot org @ 2004-11-05 19:28 ` bangerth at dealii dot org 2004-11-05 19:32 ` bangerth at dealii dot org 3 siblings, 0 replies; 5+ messages in thread From: bangerth at dealii dot org @ 2004-11-05 19:28 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From bangerth at dealii dot org 2004-11-05 19:27 ------- These are all duplicates of PR 15552 -- What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16713 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/16713] call of template member function rejected 2004-07-26 10:54 [Bug c++/16713] New: call of template member function rejected marco at technoboredom dot net ` (2 preceding siblings ...) 2004-11-05 19:28 ` bangerth at dealii dot org @ 2004-11-05 19:32 ` bangerth at dealii dot org 3 siblings, 0 replies; 5+ messages in thread From: bangerth at dealii dot org @ 2004-11-05 19:32 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From bangerth at dealii dot org 2004-11-05 19:32 ------- Duplicate of PR 15552. *** This bug has been marked as a duplicate of 15552 *** -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |DUPLICATE http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16713 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2004-11-05 19:32 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2004-07-26 10:54 [Bug c++/16713] New: call of template member function rejected marco at technoboredom dot net 2004-07-26 11:26 ` [Bug c++/16713] " marco at technoboredom dot net 2004-07-26 13:30 ` pinskia at gcc dot gnu dot org 2004-11-05 19:28 ` bangerth at dealii dot org 2004-11-05 19:32 ` bangerth at dealii dot org
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