[Bug lto/53768] New: [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[Bug lto/53768] New: [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

             Bug #: 53768
           Summary: [4.7 Regression] Undefined references with boost
                    1.46/1.48/1.49
    Classification: Unclassified
           Product: gcc
           Version: 4.7.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: hubicka@gcc.gnu.org


On Linux/x86-64, GCC 4.7.2 gave

[hjl@gnu-6 tmp]$ cat pr53572.cc 
#include <boost/exception/detail/exception_ptr.hpp>
int main(){return 0;}
[hjl@gnu-6 tmp]$ g++ pr53572.cc -m32 -O3 -g  -flto -fuse-linker-plugin
-rdynamic
...
/usr/local/bin/ld: a.out: hidden symbol `.LTHUNK75.4891' isn't defined
/usr/local/bin/ld: final link failed: Bad value
collect2: error: ld returned 1 exit status

I am using binutils in CVS trunk. This is caused by revision 179424:

http://gcc.gnu.org/ml/gcc-cvs/2011-10/msg00017.html

and fixed by revision 186252:

http://gcc.gnu.org/ml/gcc-cvs/2012-04/msg00202.html

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Markus Trippelsdorf <markus at trippelsdorf dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |markus at trippelsdorf dot
                   |                            |de

--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-06-25 16:59:51 UTC ---
Gold is fine BTW.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-06-25 17:01:35 UTC ---
Insofar as it only issues warnings:
/tmp/cc4Lw5GR.ltrans1.ltrans.o:cc4Lw5GR.ltrans1.o:function vtable for
boost::exception_detail::clone_impl<boost::exception_detail::current_exception_std_exception_wrapper<std::bad_cast>
> [clone .local.460]: warning: relocation refers to discarded section
...

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-25 17:12:31 UTC ---
(In reply to comment #1)
> Gold is fine BTW.

It doesn't mean bfd ld shouldn't issue an error.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.7.2

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #4 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-28 12:48:13 UTC ---
similar to PR53337 ?
and most probably also to  PR53780

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-28 22:15:43 UTC ---
(In reply to comment #4)
> similar to PR53337 ?
> and most probably also to  PR53780

I backported revision 186252 to 4.7 on hjl/gcc-4_7-branch/pr53768
branch at

http://gcc.gnu.org/git/?p=gcc.git;a=summary

It should fix PR53768, PR53337 and PR53780.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #6 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-29 06:09:19 UTC ---
the backport seems to work for my test cases.
Side effects need to be verified

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #7 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-29 07:25:35 UTC ---
It HAS a side effect I observed also in 4.8 and had no time to reduce yet
something pretty weird
plenty of 
error:
tmp/slc5_amd64_gcc470/src/FWCore/Modules/src/FWCoreModules/MulticoreRunLumiEventChecker.o:
multiple definition of
'edm::WorkerT<edm::EDAnalyzer>::implDoBegin(edm::EventPrincipal&,
edm::EventSetup const&, edm::CurrentProcessingContext const*)::{lambda(ed
m::Worker*)#1}::operator void (*)(edm::Worker*)() const'
/afs/cern.ch/user/i/innocent/w3/gcc47slc5/bin/ld:
tmp/slc5_amd64_gcc470/src/FWCore/Modules/src/FWCoreModules/EventContentAnalyzer.o:
previous definition he
re
/afs/cern.ch/user/i/innocent/w3/gcc47slc5/bin/ld: error:
tmp/slc5_amd64_gcc470/src/FWCore/Modules/src/FWCoreModules/Prescaler.o:
multiple definition of 'ed
m::WorkerT<edm::EDFilter>::implDoBegin(edm::EventPrincipal&, edm::EventSetup
const&, edm::CurrentProcessingContext const*)::{lambda(edm::Worker*)#1}::_FUN(
edm::Worker*)'
/afs/cern.ch/user/i/innocent/w3/gcc47slc5/bin/ld:
tmp/slc5_amd64_gcc470/src/FWCore/Modules/src/FWCoreModules/LogErrorFilter.o:
previous definition here

ld is 
GNU gold (GNU Binutils 2.22.52.20120515) 1.11

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #8 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-29 10:36:46 UTC ---
take back: (never do two updates at once)
in SOMETHING ELSE committed between
gcc version 4.7.2 20120615 (prerelease) [gcc-4_7-branch revision 188650] (GCC) 
and
gcc-4_7-branch revision 189063

that causes the regression in comment 3

the patch above revision 188650 is ok and does not cause regression

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #9 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-29 10:45:05 UTC ---
*** Bug 53337 has been marked as a duplicate of this bug. ***

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-29 11:49:53 UTC ---
(In reply to comment #8)
> take back: (never do two updates at once)
> in SOMETHING ELSE committed between
> gcc version 4.7.2 20120615 (prerelease) [gcc-4_7-branch revision 188650] (GCC) 
> and
> gcc-4_7-branch revision 189063
> 
> that causes the regression in comment 3
> 

Please open another bug since it also happens with 4.8.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #11 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-29 12:43:03 UTC ---
ok.
II think somebody should start building boost and its test-suite  with lto:
many of these regressions are found "thanks" to boost after all… (I will when
they move to cmake).

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[vincenzo.innocente at cern dot ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

--- Comment #12 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-30 15:25:27 UTC ---
reduced testcase for comment 7&8 regression as PR53821

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.7.2                       |4.7.3

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-20 10:15:32 UTC ---
GCC 4.7.2 has been released.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-10 19:49:26 UTC ---
Honza, I couldn't find in gcc-bugs anything mentioning r186252 caused
regressions, did this had any follow-ups beyond
        * gcc.dg/lto/pr52634_0.c: Skip the test on Darwin.
Is this something that should be backported to 4.7 branch?

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.7.3                       |4.7.4

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-11 07:59:11 UTC ---
GCC 4.7.3 is being released, adjusting target milestone.

[Bug lto/53768] [4.7 Regression] Undefined references with boost 1.46/1.48/1.49

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53768

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|4.7.4                       |4.8.0
      Known to fail|                            |4.7.4

--- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed for 4.8.0?