Re: Exception not caught with gcc-8.2.0

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Hi All,

Thanks in Advance.

As l already said, we have tried with gcc-9.2.0. As per fix https://gcc
.gnu.org/bugzilla/show_bug.cgi?id=85907, it have been fixed in 8.2.0. But
we are facing with 9.2.0 itself.

Kindly help us with a solution to fix this issue.

Thanks & Regards,
P. Prasath.



On Thu, Aug 6, 2020 at 10:11 PM Jonathan Wakely <jwakely.gcc@xxxxxxxxx>
wrote:

> CC David
>
> On Thu, 6 Aug 2020 at 16:28, Brian Groose <brian@xxxxxxxxxx> wrote:
> >
> > I'm not quite sure if this is the same issue, but I logged a bug for a
> > similar issue, including a reference to a gcc patch someone else has
> > made in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85907
> >
> > I do see that someone says it should be working fine in 8.2.0, but
> > perhaps that's not accurate?
> >
> > On Thu, Aug 6, 2020 at 11:25 AM Brian Groose <brian@xxxxxxxxxx> wrote:
> > >
> > > I'm not q
> > >
> > > On Tue, Aug 4, 2020 at 10:17 AM Jonathan Wakely via Gcc-help
> > > <gcc-help@xxxxxxxxxxx> wrote:
> > > >
> > > > On Tue, 4 Aug 2020 at 12:55, Prasath P via Gcc-help
> > > > <gcc-help@xxxxxxxxxxx> wrote:
> > > > >
> > > > > Hi All,
> > > > >
> > > > > I have tried with gcc-9.2.0 and got into the same issue "exception
> is not
> > > > > caught" which I faced earlier with gcc-8.2.0 but it worked well
> with
> > > > > gcc-4.2.3.
> > > > > I have sent multiple reminders and have been waiting for the
> solution
> > > > > earnestly.
> > > >
> > > > It's still a bug, but thanks for the reminders.
> > > >
> > > > >
> > > > > Kindly someone please look into this issue and help me to resolve
> it.
> > > > >
> > > > > Thanks & Regards,
> > > > > P. Prasath.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > On Tue, Jul 14, 2020 at 11:20 AM Prasath P <ijprasath@xxxxxxxxx>
> wrote:
> > > > >
> > > > > > Hi All,
> > > > > >
> > > > > > I am eagerly waiting for a solution to fix this bug. Kindly
> anyone help us
> > > > > > to resolve this issue or please let me know if we have any
> workaround to
> > > > > > resolve it?
> > > > > >
> > > > > > Thanks & Regards,
> > > > > > P. Prasath.
> > > > > >
> > > > > > On Tue, Jan 14, 2020 at 12:52 PM Prasath P <ijprasath@xxxxxxxxx>
> wrote:
> > > > > >
> > > > > >> Hi Florian Dorsch,
> > > > > >> Thanks for the response.
> > > > > >>
> > > > > >> Hi All,
> > > > > >> Any other suggestion to fix this bug? or could you please let
> me know
> > > > > >> that will it be fixed in which gcc version?
> > > > > >>
> > > > > >> Thanks & Regards,
> > > > > >> P. Prasath.
> > > > > >>
> > > > > >>
> > > > > >> On Wed, Dec 11, 2019 at 10:19 PM Florian Dörsch <
> gcc@xxxxxxxxxxxx> wrote:
> > > > > >>
> > > > > >>> Hi,
> > > > > >>>
> > > > > >>> thats a bug in the gcc on AIX.
> > > > > >>>
> > > > > >>> see https://www.spinics.net/lists/gcchelp/msg49970.html
> > > > > >>>
> > > > > >>> topic "g++ and IBM AIX: another exception handling bug?" of
> this
> > > > > >>> mailinglist
> > > > > >>>
> > > > > >>> Am 11.12.2019 um 15:11 schrieb Prasath P:
> > > > > >>> > Hi All,
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Greetings!!!
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Our application is a C++ application and compiled it with
> gcc-8.2.0
> > > > > >>> > compiler on AIX6.1.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > In our application, we are using omniORB-4.2.0 library.
> Earlier we used
> > > > > >>> > gcc-4.2.3 to compile omniORB and our application.
> > > > > >>> >
> > > > > >>> > omniORB + application works fine with gcc-4.2.3. But we
> upgraded the
> > > > > >>> > compiler from gcc-4.2.3 to gcc-8.2.0. On both compiler, we
> compiled
> > > > > >>> omniORB
> > > > > >>> > + application with C++11.
> > > > > >>> >
> > > > > >>> > But when we run the omniORB + application which is compiled
> with
> > > > > >>> gcc-8.2.0,
> > > > > >>> > application gets crashed because it unable to catch the
> Exception and
> > > > > >>> lead
> > > > > >>> > into termination.
> > > > > >>> >
> > > > > >>> > *Log snippet:*
> > > > > >>> >
> > > > > >>> > omniORB: (3) 2019-11-04 03:14:00.589286: throw
> giopStream::CommFailure
> > > > > >>> from
> > > > > >>> > giopStream.cc:808(0,NO,COMM_FAILURE_UnMarshalArguments)
> > > > > >>> >
> > > > > >>> > terminate called after throwing an instance of
> > > > > >>> > 'omni::giopStream::CommFailure'
> > > > > >>> >
> > > > > >>> > IOT/Abort trap (core dumped)
> > > > > >>> >
> > > > > >>> > *Crash Stack:*
> > > > > >>> >
> > > > > >>> > ---------- tid# 53018837 (pthread ID:   3599) ----------
> > > > > >>> >
> > > > > >>> > 0x090000000056f910  _p_nsleep(??, ??) + 0x10
> > > > > >>> >
> > > > > >>> > 0x0900000000038e64  nsleep(??, ??) + 0xe4
> > > > > >>> >
> > > > > >>> > 0x090000000015dc08  sleep(??) + 0x88
> > > > > >>> >
> > > > > >>> > 0x0000000100612310
> > > > > >>> >
> > > > > >>>
> _ZN12_GLOBAL__N_115Unix_SigHandler13processSignalEPNS_15Unix_SigDetailsEN4csys9SigActionE.isra.0(??,
> > > > > >>> > ??, ??) + 0x348
> > > > > >>> >
> > > > > >>> > 0x0000000100612c50  handleSignalFatal(??, ??, ??) + 0x28
> > > > > >>> >
> > > > > >>> > <signal>
> > > > > >>> >
> > > > > >>> > 0x090000000056ff14  pthread_kill(??, ??) + 0xd4
> > > > > >>> >
> > > > > >>> > 0x090000000056f764  _p_raise(??) + 0x44
> > > > > >>> >
> > > > > >>> > 0x09000000000393e8  raise(??) + 0x48
> > > > > >>> >
> > > > > >>> > 0x0900000000055de4  abort() + 0xc4
> > > > > >>> >
> > > > > >>> > 0x0000000100171fa4  _ZN12_GLOBAL__N_115catch_terminateEv() +
> 0xbc
> > > > > >>> >
> > > > > >>> > 0x00000001000189a4  _ZN10__cxxabiv111__terminateEPFvvE(??) +
> 0x24
> > > > > >>> >
> > > > > >>> > 0x00000001000090e0  _ZSt9terminatev() + 0x14
> > > > > >>> >
> > > > > >>> > 0x00000001000185e4  __cxa_throw(??, ??, ??) + 0x6c
> > > > > >>> >
> > > > > >>> > 0x0000000101db4e20
> > > > > >>> >
> > > > > >>>
> _ZN4omni10giopStream11CommFailure6_raiseEjN5CORBA16CompletionStatusEbPKcjS5_PNS_10giopStrandE(??,
> > > > > >>> > ??, ??, ??, ??, ??, ??) + 0x1dc
> > > > > >>> >
> > > > > >>> > 0x00000001025ddf30
> > > > > >>> >
> > > > > >>>
> _ZN4omni10giopImpl1230unmarshalWildCardRequestHeaderEPNS_10giopStreamE(??)
> > > > > >>> > + 0x108
> > > > > >>> >
> > > > > >>> > 0x00000001025de2c4
> > > > > >>> >
> _ZN4omni10giopImpl1217inputMessageBeginEPNS_10giopStreamEPFvS2_E(??,
> > > > > >>> ??) +
> > > > > >>> > 0x1d4
> > > > > >>> >
> > > > > >>> > 0x0000000101db1b40  _ZN4omni6GIOP_S10dispatcherEv(??) + 0x88
> > > > > >>> >
> > > > > >>> > 0x0000000101daef3c  _ZN4omni10giopWorker7executeEv(??) + 0x60
> > > > > >>> >
> > > > > >>> > 0x0000000101d9c36c  _ZN15omniAsyncWorker8real_runEv(??) +
> 0xfc
> > > > > >>> >
> > > > > >>> > 0x0000000101d9dfc0
> > > > > >>> > _ZN19omniAsyncPoolServer9workerRunEP15omniAsyncWorker(??,
> ??) + 0x74
> > > > > >>> >
> > > > > >>> > 0x0000000101d9be10  _ZN15omniAsyncWorker7mid_runEv(??) + 0x74
> > > > > >>> >
> > > > > >>> > 0x0000000101d9d9c8  _ZN15omniAsyncWorker3runEPv(??, ??) +
> 0x134
> > > > > >>> >
> > > > > >>> > 0x0000000101cf972c  omni_thread_wrapper(??) + 0x170
> > > > > >>> >
> > > > > >>> > 0x0900000000557e10  _pthread_body(??) + 0xf0
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Actually this exception should get caught and ignored
> quietly in the
> > > > > >>> catch
> > > > > >>> > block below,
> > > > > >>> >
> > > > > >>> > omniORB-4.2.0/src/lib/omniORB/orbcore/GIOP_S.cc
> > > > > >>> >
> > > > > >>> > CORBA::Boolean
> > > > > >>> >
> > > > > >>> > GIOP_S::dispatcher() {
> > > > > >>> >
> > > > > >>> > ……
> > > > > >>> >
> > > > > >>> >    catch(const giopStream::CommFailure&) {
> > > > > >>> >
> > > > > >>> >      return 0;
> > > > > >>> >
> > > > > >>> >    }
> > > > > >>> >
> > > > > >>> > }
> > > > > >>> >
> > > > > >>> > This exception gets caught properly with the above catch
> when we
> > > > > >>> compile
> > > > > >>> > and run using gcc-4.8.3.
> > > > > >>> >
> > > > > >>> > Catch block does not get effect when we run the application
> which is
> > > > > >>> > compiled with gcc-8.2.0.
> > > > > >>> >
> > > > > >>> > To understand that weather is this because of type issue, we
> tried with
> > > > > >>> > handling all types of exceptions “catch(…)”. but that is
> also not
> > > > > >>> working.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > To isolate the issue, we compiled the example code
> (call_back) of
> > > > > >>> omniORB
> > > > > >>> > library with gcc-8.2.0 and tested it. Observed the same
> termination on
> > > > > >>> > throwing exception.
> > > > > >>> >
> > > > > >>> > To make sure the example code is works fine with gcc-4.8.3,
> we
> > > > > >>> compiled the
> > > > > >>> > example with gcc-4.8.3 and observed that is working properly
> without
> > > > > >>> > termination.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Also we looked into gcc page and tried the below options.
> > > > > >>> >
> > > > > >>> > https://gcc.gnu.org/install/configure.html
> > > > > >>> >
> > > > > >>> > aix - AIX thread support.
> > > > > >>> >
> > > > > >>> > Posix - Generic POSIX/Unix98 thread support.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Recompiled gcc-8.2.0 with option “--enable-threads=lib” (lib
> as “aix”
> > > > > >>> and
> > > > > >>> > “posix”) and again built omniORB example with this rebuilt
> gcc-8.2.0.
> > > > > >>> >
> > > > > >>> > But observed the same issue. We got the issue with omniORB +
> gcc-8.2.0
> > > > > >>> > built with option “--enable-threads=aix” and then rebuilt
> with option
> > > > > >>> > “--enable-threads=posix”.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Also we compiled omniORB with gcc-8.2.0 with C++17 and
> observed the
> > > > > >>> same
> > > > > >>> > termination.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > OmniORB-4.2.0 (omniORB-4.2.0.tar.bz2
> > > > > >>> > <
> > > > > >>>
> https://sourceforge.net/projects/omniorb/files/omniORB/omniORB-4.2.0/omniORB-4.2.0.tar.bz2/download
> > > > > >>> >)
> > > > > >>> > library is an open source library. We can download it from
> here,
> > > > > >>> >
> > > > > >>> >
> https://sourceforge.net/projects/omniorb/files/omniORB/omniORB-4.2.0/
> > > > > >>> >
> > > > > >>> > Example code is in the path
> omniORB-4.2.0/src/examples/call_back
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Could you please guide us to fix this issue? Please download
> the
> > > > > >>> omniORB
> > > > > >>> > and build the source and examples to reproduce the issue.
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Thanks & Regards,
> > > > > >>> >
> > > > > >>> > P. Prasath.
> > > > > >>> >
> > > > > >>>
> > > > > >>
>




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