[Bug libstdc++/46869] New: FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[Bug libstdc++/46869] New: FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

           Summary: FAIL:
                    20_util/enable_shared_from_this/cons/constexpr.cc
                    scan-assembler-not
                    _ZNSt23enable_shared_from_thisIiEC2Ev
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11


Executing on host: /test/gnu/gcc/objdir/./gcc/g++ -shared-libgcc
-B/test/gnu/gcc
/objdir/./gcc -nostdinc++
-L/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++
-v3/src -L/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/src/.libs
-B/o
pt/gnu/gcc/gcc-4.6/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-4.6/hppa2.0w-hp
-hpux11.11/lib/ -isystem /opt/gnu/gcc/gcc-4.6/hppa2.0w-hp-hpux11.11/include
-isy
stem /opt/gnu/gcc/gcc-4.6/hppa2.0w-hp-hpux11.11/sys-include
-B/test/gnu/gcc/objd
ir/hppa2.0w-hp-hpux11.11/./libstdc++-v3/src/.libs -g -O2 -D_GLIBCXX_ASSERT
-fmes
sage-length=0 -g -O2 -g -O2 -DLOCALEDIR="." -nostdinc++
-I/test/gnu/gcc/objdir/h
ppa2.0w-hp-hpux11.11/libstdc++-v3/include/hppa2.0w-hp-hpux11.11
-I/test/gnu/gcc/
objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/include
-I/test/gnu/gcc/gcc/libstdc++-
v3/libsupc++ -I/test/gnu/gcc/gcc/libstdc++-v3/include/backward
-I/test/gnu/gcc/g
cc/libstdc++-v3/testsuite/util
/test/gnu/gcc/gcc/libstdc++-v3/testsuite/20_util/
enable_shared_from_this/cons/constexpr.cc   -std=gnu++0x -fno-inline
-save-temps
 -S  -o constexpr.s    (timeout = 600)
PASS: 20_util/enable_shared_from_this/cons/constexpr.cc (test for excess
errors)
FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZNSt23enable_shared_from_thisIiEC2Ev
FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZN7derivedC2Ev

The symbols appear in .stabs directives:

        .stabs 
"enable_shared_from_this:Tt3736=s8_M_weak_this:/03729,0,64;__bas
e_ctor
::3737=#3736,3,3738=*3736,3;:_ZNSt23enable_shared_from_thisIiEC2Ev;1A.;__
comp_ctor ::3737:_ZNSt23enable_shared_from_thisIiEC1Ev;1A.;__base_ctor
::3739=#3
736,3,3738,3740=&3741=k3742=3736,3;:_ZNSt23enable_shared_from_thisIiEC2ERKS0_;1A
.;__comp_ctor
::3739:_ZNSt23enable_shared_from_thisIiEC1ERKS0_;1A.;operator=::37
43=#3736,3744=&3742,3738,3740,3;:_ZNSt23enable_shared_from_thisIiEaSERKS0_;1A.;_
_base_dtor ::3737:_ZNSt23enable_shared_from_thisIiED2Ev;1A.;__comp_dtor
::3737:_
ZNSt23enable_shared_from_thisIiED1Ev;1A.;shared_from_this::3745=#3736,3733,3738,
3;:_ZNSt23enable_shared_from_thisIiE16shared_from_thisEv;2A.3746=#3736,3747=xssh
ared_ptr:,3748=*3749=k3736,3;:_ZNKSt23enable_shared_from_thisIiE16shared_from_th
isEv;2B.;;",128,0,472,0

        .stabs  "derived:Tt3750=s8!1,020,3736;__base_ctor
::3751=#3750,3,3752=*3
750,3;:_ZN7derivedC2Ev;2A.;__comp_ctor ::3751:_ZN7derivedC1Ev;2A.;;",128,0,26,0

Based on test results, I would guess the fail was introduced by this change:

2010-11-23  Benjamin Kosnik  <bkoz@redhat.com>
            Jason Merrill  <jason@redhat.com>

        * testsuite/lib/libstdc++.exp: Use scanasm.
        * testsuite/util/testsuite_common_types.h
        (constexpr_default_constructible): Add support for non-literal types.
        (constexpr_single_value_constructible): Same.
        * testsuite/20_util/enable_shared_from_this/cons/constexpr.cc:
        Remove xfail.
        * testsuite/20_util/shared_ptr/cons/constexpr.cc: Add.
        * testsuite/20_util/unique_ptr/cons/constexpr.cc: Add.
        * testsuite/20_util/weak_ptr/cons/constexpr.cc: Add.
        * testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust line number.

The following also fail:

FAIL: 20_util/shared_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10shared_ptrI
iEC2Ev
FAIL: 20_util/shared_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10shared_ptrI
iEC2EDn
FAIL: 20_util/unique_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10unique_ptrI
iSt14default_deleteIiEEC2Ev
FAIL: 20_util/unique_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10unique_ptrI
iSt14default_deleteIiEEC2EDn
FAIL: 20_util/weak_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt8weak_ptrIiEC2E
v

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[dave at hiauly1 dot hia.nrc.ca]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #1 from dave at hiauly1 dot hia.nrc.ca 2010-12-09 16:46:50 UTC ---
Attached .ii.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2010.12.12 11:38:37
                 CC|                            |bkoz at redhat dot com
     Ever Confirmed|0                           |1

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-12 11:38:37 UTC ---
s390 shows similar problems:
http://gcc.gnu.org/ml/gcc-testresults/2010-12/msg01002.html

Benjamin, could you please double check whether something should be tweaked in
the dg-finals? Thanks.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[ro at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

Rainer Orth <ro at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |alpha-dec-osf5.1b
                 CC|                            |ro at gcc dot gnu.org
               Host|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |alpha-dec-osf5.1b
              Build|hppa2.0w-hp-hpux11.11       |hppa2.0w-hp-hpux11.11,
                   |                            |alpha-dec-osf5.1b

--- Comment #3 from Rainer Orth <ro at gcc dot gnu.org> 2010-12-15 10:23:25 UTC ---
I'm seeing the same failure on Tru64 UNIX V5.1B, together with a few other
newly
failing tests:

+FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZNSt23enable_shared_from_thisIiEC2Ev
+FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZN7derivedC2Ev
+FAIL: 20_util/shared_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10shared_ptrIiEC2Ev
+FAIL: 20_util/shared_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10shared_ptrIiEC2EDn
+FAIL: 20_util/unique_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10unique_ptrIiSt14default_deleteIiEEC2Ev
+FAIL: 20_util/unique_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt10unique_ptrIiSt14default_deleteIiEEC2EDn
+FAIL: 20_util/weak_ptr/cons/constexpr.cc scan-assembler-not
_ZNSt8weak_ptrIiEC2Ev

I can provide more details if necessary.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |paolo.carlini at oracle dot
                   |                            |com

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-15 12:20:12 UTC ---
Rainer, if in order to reduce the noise you want to simply xfail for now the
failing tests it's ok with me. Honestly, I don't know at the moment if we can
solve the issue in a more elegant way for 4.6.0.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[ro at CeBiTec dot Uni-Bielefeld.DE]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #5 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2010-12-15 17:08:00 UTC ---
> --- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-15 12:20:12 UTC ---
> Rainer, if in order to reduce the noise you want to simply xfail for now the
> failing tests it's ok with me. Honestly, I don't know at the moment if we can
> solve the issue in a more elegant way for 4.6.0.

I'll submit a patch as soon as I get to that.  It would be helpful to
keep the noise down indeed.

Thanks.
    Rainer

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[bkoz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

Benjamin Kosnik <bkoz at gcc dot gnu.org> changed:

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

--- Comment #6 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2010-12-16 22:49:23 UTC ---

Does this still happen if -g is removed? (Via -g0)

-benjamin

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[bkoz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #7 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2010-12-16 22:51:54 UTC ---

this might be an int-long mangling issue on s390 (ie swap i for l)

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[ro at CeBiTec dot Uni-Bielefeld.DE]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #8 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2010-12-17 16:09:09 UTC ---
> --- Comment #6 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2010-12-16 22:49:23 UTC ---
>
> Does this still happen if -g is removed? (Via -g0)

I've manually checked for

FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZNSt23enable_shared_from_thisIiEC2Ev
FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not
_ZN7derivedC2Ev

Both symbols only occur in stabs, but are gone with -g0.  I've found no
easy way to compile the tests with -g0 from runtest, though.  Setting
DEFAULT_CXXFLAGS=-g0 either on the runtest command line or in site.exp
seems to have no effect.

    Rainer

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #9 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-17 17:00:59 UTC ---
Maybe I'm missing something: can't we just add -g0 to the dg-options string?

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[ro at CeBiTec dot Uni-Bielefeld.DE]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #10 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2010-12-17 17:02:53 UTC ---
> --- Comment #9 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-17 17:00:59 UTC ---
> Maybe I'm missing something: can't we just add -g0 to the dg-options string?

Sure, I just wanted to check the effect of -g0 without modifying the
testcases yet.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #11 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-17 17:06:47 UTC ---
I see. I think you want to change libstdc++.exp then.

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-12-17 17:51:23 UTC ---
or CXXFLAGS_default in scripts/testsuite_flags ?

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[dave at hiauly1 dot hia.nrc.ca]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #13 from dave at hiauly1 dot hia.nrc.ca 2010-12-18 21:25:30 UTC ---
On Thu, 16 Dec 2010, bkoz at gcc dot gnu.org wrote:

> Does this still happen if -g is removed? (Via -g0)

No.  Attached change fixes fails on hppa2.0w-hp-hpux11.11.

Dave

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

--- Comment #14 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2010-12-19 16:20:29 UTC ---
Author: paolo
Date: Sun Dec 19 16:20:25 2010
New Revision: 168063

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168063
Log:
2010-12-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

    PR libstdc++/46869
    * testsuite/20_util/enable_shared_from_this/cons/constexpr.cc:
    Compile with -g0.
    * testsuite/20_util/shared_ptr/cons/constexpr.cc: Likewise.
    * testsuite/20_util/unique_ptr/cons/constexpr.cc: Likewise.
    * testsuite/20_util/weak_ptr/cons/constexpr.cc: Likewise.


Modified:
    trunk/libstdc++-v3/ChangeLog
   
trunk/libstdc++-v3/testsuite/20_util/enable_shared_from_this/cons/constexpr.cc
    trunk/libstdc++-v3/testsuite/20_util/shared_ptr/cons/constexpr.cc
    trunk/libstdc++-v3/testsuite/20_util/unique_ptr/cons/constexpr.cc
    trunk/libstdc++-v3/testsuite/20_util/weak_ptr/cons/constexpr.cc

[Bug libstdc++/46869] FAIL: 20_util/enable_shared_from_this/cons/constexpr.cc scan-assembler-not _ZNSt23enable_shared_from_thisIiEC2Ev

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46869

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|bkoz at gcc dot gnu.org,    |
                   |paolo.carlini at oracle dot |
                   |com                         |
         Resolution|                            |FIXED
   Target Milestone|---                         |4.6.0

--- Comment #15 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-12-19 16:22:39 UTC ---
Committed.