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* [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol @ 2010-06-14 10:01 dimhen at gmail dot com 2010-06-14 10:19 ` [Bug c++/44535] " dimhen at gmail dot com ` (6 more replies) 0 siblings, 7 replies; 8+ messages in thread From: dimhen at gmail dot com @ 2010-06-14 10:01 UTC (permalink / raw) To: gcc-bugs g++/trunk/x86/rev.160690 -O0 compile test w/o errors, but with -O[ 123] generates undefined symbol # g++ -O0 -c 2010_06_13.cpp && nm -uAC 2010_06_13.o | grep OnProv # g++ -O -c 2010_06_13.cpp && nm -uAC 2010_06_13.o | grep OnProv 2010_06_13.o: U FOO::A<char>::OnProv() # cat 2010_06_13.cpp namespace FOO { template <typename T> class A { public: A(); void Enum(); virtual void OnProv() = 0; virtual ~A() { } }; typedef A<char> B; template<typename T> inline A<T>::A() { } template<typename T> inline void A<T>::Enum () { OnProv (); } } // namespace FOO class C {}; class D: public C, public FOO::B { public: void OnProv() {} }; void aaa() { D x; x.Enum(); } # g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/i686-redhat-linux/4.6.0/lto-wrapper Target: i686-redhat-linux Configured with: ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs : (reconfigured) ../gcc-current/configure --prefix=/usr/local/gcc_current --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=yes --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++ --with-ppl --with-cloog --with-tune=generic --with-arch=i686 --build=i686-redhat-linux --enable-lto --enable-version-specific-runtime-libs Thread model: posix gcc version 4.6.0 20100613 (experimental) [trunk revision 160690] (GCC) -- Summary: g++ -O[ 123] generates undefined symbol Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dimhen at gmail dot com GCC build triplet: i686-redhat-linux GCC host triplet: i686-redhat-linux GCC target triplet: i686-redhat-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] g++ -O[ 123] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com @ 2010-06-14 10:19 ` dimhen at gmail dot com 2010-06-14 11:23 ` [Bug c++/44535] [4.6 Regression] g++ -O[ 23] " rguenth at gcc dot gnu dot org ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: dimhen at gmail dot com @ 2010-06-14 10:19 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from dimhen at gmail dot com 2010-06-14 10:19 ------- simplified testcase FAIl with -O[23] namespace FOO { template <typename T> class A { public: void Enum(); virtual void OnProv() = 0; virtual ~A() { } }; typedef A<char> B; template<typename T> void A<T>::Enum () { OnProv (); } } // namespace FOO class C {}; class D: public C, public FOO::B { public: void OnProv() {} }; void aaa() { D x; x.Enum(); } -- dimhen at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dimhen at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com 2010-06-14 10:19 ` [Bug c++/44535] " dimhen at gmail dot com @ 2010-06-14 11:23 ` rguenth at gcc dot gnu dot org 2010-06-15 17:12 ` jakub at gcc dot gnu dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-06-14 11:23 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-06-14 11:23 ------- Confirmed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Keywords| |wrong-code Last reconfirmed|0000-00-00 00:00:00 |2010-06-14 11:23:28 date| | Summary|g++ -O[ 123] generates |[4.6 Regression] g++ -O[ 23] |undefined symbol |generates undefined symbol Target Milestone|--- |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com 2010-06-14 10:19 ` [Bug c++/44535] " dimhen at gmail dot com 2010-06-14 11:23 ` [Bug c++/44535] [4.6 Regression] g++ -O[ 23] " rguenth at gcc dot gnu dot org @ 2010-06-15 17:12 ` jakub at gcc dot gnu dot org 2010-06-15 17:55 ` jamborm at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jakub at gcc dot gnu dot org @ 2010-06-15 17:12 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from jakub at gcc dot gnu dot org 2010-06-15 17:12 ------- Caused by http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159362 -- jakub at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jamborm at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com ` (2 preceding siblings ...) 2010-06-15 17:12 ` jakub at gcc dot gnu dot org @ 2010-06-15 17:55 ` jamborm at gcc dot gnu dot org 2010-06-16 16:26 ` jamborm at gcc dot gnu dot org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: jamborm at gcc dot gnu dot org @ 2010-06-15 17:55 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from jamborm at gcc dot gnu dot org 2010-06-15 17:55 ------- We seem to be folding the virtual call to the wrong method. I'm investigating... -- jamborm at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |jamborm at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2010-06-14 11:23:28 |2010-06-15 17:55:11 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com ` (3 preceding siblings ...) 2010-06-15 17:55 ` jamborm at gcc dot gnu dot org @ 2010-06-16 16:26 ` jamborm at gcc dot gnu dot org 2010-06-28 15:42 ` jamborm at gcc dot gnu dot org 2010-06-28 17:01 ` jamborm at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: jamborm at gcc dot gnu dot org @ 2010-06-16 16:26 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from jamborm at gcc dot gnu dot org 2010-06-16 16:25 ------- Patch posted to the mailing list: http://gcc.gnu.org/ml/gcc-patches/2010-06/msg01653.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com ` (4 preceding siblings ...) 2010-06-16 16:26 ` jamborm at gcc dot gnu dot org @ 2010-06-28 15:42 ` jamborm at gcc dot gnu dot org 2010-06-28 17:01 ` jamborm at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: jamborm at gcc dot gnu dot org @ 2010-06-28 15:42 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from jamborm at gcc dot gnu dot org 2010-06-28 15:42 ------- Subject: Bug 44535 Author: jamborm Date: Mon Jun 28 15:42:01 2010 New Revision: 161498 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161498 Log: 2010-06-28 Martin Jambor <mjambor@suse.cz> PR c++/44535 * gimple-fold.c (get_first_base_binfo_with_virtuals): New function. (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals instead of BINFO_BASE_BINFO. * testsuite/g++.dg/torture/pr44535.C: New test. Added: trunk/gcc/testsuite/g++.dg/torture/pr44535.C Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/44535] [4.6 Regression] g++ -O[ 23] generates undefined symbol 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com ` (5 preceding siblings ...) 2010-06-28 15:42 ` jamborm at gcc dot gnu dot org @ 2010-06-28 17:01 ` jamborm at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: jamborm at gcc dot gnu dot org @ 2010-06-28 17:01 UTC (permalink / raw) To: gcc-bugs ------- Comment #7 from jamborm at gcc dot gnu dot org 2010-06-28 17:00 ------- Fixed. -- jamborm at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44535 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2010-06-28 17:01 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-06-14 10:01 [Bug c++/44535] New: g++ -O[ 123] generates undefined symbol dimhen at gmail dot com 2010-06-14 10:19 ` [Bug c++/44535] " dimhen at gmail dot com 2010-06-14 11:23 ` [Bug c++/44535] [4.6 Regression] g++ -O[ 23] " rguenth at gcc dot gnu dot org 2010-06-15 17:12 ` jakub at gcc dot gnu dot org 2010-06-15 17:55 ` jamborm at gcc dot gnu dot org 2010-06-16 16:26 ` jamborm at gcc dot gnu dot org 2010-06-28 15:42 ` jamborm at gcc dot gnu dot org 2010-06-28 17:01 ` jamborm at gcc dot gnu dot org
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