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* [Bug c++/29417] New: link fails with debug and anonymous namespace
@ 2006-10-10 16:16 peter at chocky dot org
2006-10-10 16:17 ` [Bug c++/29417] " peter at chocky dot org
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: peter at chocky dot org @ 2006-10-10 16:16 UTC (permalink / raw)
To: gcc-bugs
This is with:
gcc (GCC) 4.2.0 20061007 (experimental)
On x86 Debian and under Fedora Core 3.
Using the lamba part of the boost library, the following is seen:
/tmp/ccNdhcXx.o:(.debug_info+0xec9): undefined reference to
`boost::lambda::(anonymous namespace)::free2'
/tmp/ccNdhcXx.o:(.debug_info+0xed8): undefined reference to
`boost::lambda::(anonymous namespace)::free3'
/tmp/ccNdhcXx.o:(.debug_info+0x47f2): undefined reference to
`boost::lambda::(anonymous namespace)::free2'
/tmp/ccNdhcXx.o:(.debug_info+0x4806): undefined reference to
`boost::lambda::(anonymous namespace)::free3'
I don't think the fault is in the boost library. Here is the code in question:
namespace {
// These are constants types and need to be initialised
boost::lambda::placeholder1_type free1 = boost::lambda::placeholder1_type();
boost::lambda::placeholder2_type free2 = boost::lambda::placeholder2_type();
boost::lambda::placeholder3_type free3 = boost::lambda::placeholder3_type();
boost::lambda::placeholder1_type& _1 = free1;
boost::lambda::placeholder2_type& _2 = free2;
boost::lambda::placeholder3_type& _3 = free3;
// _1, _2, ... naming scheme by Peter Dimov
} // unnamed
To trigger the problem requires at least -O and -g2. My C++ isn't good enough
to comment further. I attach a minimal preprocessed case. compile with:
g++-4.2 test.ii -O -g2
This works correctly on previous GCC versions, and with -g1.
--
Summary: link fails with debug and anonymous namespace
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: peter at chocky dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug c++/29417] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org @ 2006-10-10 16:17 ` peter at chocky dot org 2006-10-10 16:49 ` [Bug c++/29417] [4.2 Regression] " pinskia at gcc dot gnu dot org ` (6 subsequent siblings) 7 siblings, 0 replies; 9+ messages in thread From: peter at chocky dot org @ 2006-10-10 16:17 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from peter at chocky dot org 2006-10-10 16:17 ------- Created an attachment (id=12405) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12405&action=view) minimal test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org 2006-10-10 16:17 ` [Bug c++/29417] " peter at chocky dot org @ 2006-10-10 16:49 ` pinskia at gcc dot gnu dot org 2006-10-11 1:21 ` pinskia at gcc dot gnu dot org ` (5 subsequent siblings) 7 siblings, 0 replies; 9+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-10-10 16:49 UTC (permalink / raw) To: gcc-bugs -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu dot | |org Severity|normal |critical Keywords| |link-failure Summary|link fails with debug and |[4.2 Regression] link fails |anonymous namespace |with debug and anonymous | |namespace Target Milestone|--- |4.2.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org 2006-10-10 16:17 ` [Bug c++/29417] " peter at chocky dot org 2006-10-10 16:49 ` [Bug c++/29417] [4.2 Regression] " pinskia at gcc dot gnu dot org @ 2006-10-11 1:21 ` pinskia at gcc dot gnu dot org 2006-10-11 2:49 ` pinskia at gcc dot gnu dot org ` (4 subsequent siblings) 7 siblings, 0 replies; 9+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-10-11 1:21 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pinskia at gcc dot gnu dot org 2006-10-11 01:21 ------- Reducing. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org ` (2 preceding siblings ...) 2006-10-11 1:21 ` pinskia at gcc dot gnu dot org @ 2006-10-11 2:49 ` pinskia at gcc dot gnu dot org 2006-10-11 2:51 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 7 siblings, 0 replies; 9+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-10-11 2:49 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from pinskia at gcc dot gnu dot org 2006-10-11 02:48 ------- Reduced testcase: template <int> struct lambda_functor { lambda_functor() {} }; namespace { lambda_functor<2 > free2; lambda_functor<3 > free3; lambda_functor<3 > & _3 = free3; } int main (void){} -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2006-10-11 02:48:51 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org ` (3 preceding siblings ...) 2006-10-11 2:49 ` pinskia at gcc dot gnu dot org @ 2006-10-11 2:51 ` pinskia at gcc dot gnu dot org 2006-10-15 21:23 ` mmitchel at gcc dot gnu dot org ` (2 subsequent siblings) 7 siblings, 0 replies; 9+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-10-11 2:51 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from pinskia at gcc dot gnu dot org 2006-10-11 02:50 ------- I think this is related to PR 27657. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- BugsThisDependsOn| |27657 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org ` (4 preceding siblings ...) 2006-10-11 2:51 ` pinskia at gcc dot gnu dot org @ 2006-10-15 21:23 ` mmitchel at gcc dot gnu dot org 2006-10-17 16:26 ` janis at gcc dot gnu dot org 2006-10-20 7:42 ` pinskia at gcc dot gnu dot org 7 siblings, 0 replies; 9+ messages in thread From: mmitchel at gcc dot gnu dot org @ 2006-10-15 21:23 UTC (permalink / raw) To: gcc-bugs -- mmitchel at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org ` (5 preceding siblings ...) 2006-10-15 21:23 ` mmitchel at gcc dot gnu dot org @ 2006-10-17 16:26 ` janis at gcc dot gnu dot org 2006-10-20 7:42 ` pinskia at gcc dot gnu dot org 7 siblings, 0 replies; 9+ messages in thread From: janis at gcc dot gnu dot org @ 2006-10-17 16:26 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from janis at gcc dot gnu dot org 2006-10-17 16:25 ------- A regression hunt on powerpc-linux identified the following patch: http://gcc.gnu.org/viewcvs?view=rev&rev=115086 r115086 | jason | 2006-06-30 01:15:56 +0000 (Fri, 30 Jun 2006) -- janis at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jason at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/29417] [4.2 Regression] link fails with debug and anonymous namespace 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org ` (6 preceding siblings ...) 2006-10-17 16:26 ` janis at gcc dot gnu dot org @ 2006-10-20 7:42 ` pinskia at gcc dot gnu dot org 7 siblings, 0 replies; 9+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-10-20 7:42 UTC (permalink / raw) To: gcc-bugs ------- Comment #6 from pinskia at gcc dot gnu dot org 2006-10-20 07:42 ------- (In reply to comment #5) > A regression hunt on powerpc-linux identified the following patch: This just confirms the problem here is the same as listed in PR 27657 as that patch cause anonymous namespace to be local linkage. Closing as a dup of PR 27657. *** This bug has been marked as a duplicate of 27657 *** -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |DUPLICATE http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29417 ^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2006-10-20 7:42 UTC | newest] Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2006-10-10 16:16 [Bug c++/29417] New: link fails with debug and anonymous namespace peter at chocky dot org 2006-10-10 16:17 ` [Bug c++/29417] " peter at chocky dot org 2006-10-10 16:49 ` [Bug c++/29417] [4.2 Regression] " pinskia at gcc dot gnu dot org 2006-10-11 1:21 ` pinskia at gcc dot gnu dot org 2006-10-11 2:49 ` pinskia at gcc dot gnu dot org 2006-10-11 2:51 ` pinskia at gcc dot gnu dot org 2006-10-15 21:23 ` mmitchel at gcc dot gnu dot org 2006-10-17 16:26 ` janis at gcc dot gnu dot org 2006-10-20 7:42 ` pinskia at gcc dot gnu dot org
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