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* [Bug c++/52849] New: crash when using suscript operator in delctype argument
@ 2012-04-03 18:25 freunddeslichts at web dot de
  2012-04-03 18:26 ` [Bug c++/52849] " freunddeslichts at web dot de
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: freunddeslichts at web dot de @ 2012-04-03 18:25 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52849

             Bug #: 52849
           Summary: crash when using suscript operator in delctype
                    argument
    Classification: Unclassified
           Product: gcc
           Version: 4.4.7
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: freunddeslichts@web.de


// the following compile crashes 
// $> g++-4.4 -std=c++0x gcc44_bug.cpp
// it works in 4.5, but I'm writing a library that must work on all versions
// exact version is 4.4.7 (Ubuntu/Linaro 4.4.7-1ubuntu1) on 32 bit Linux

template <class T>
auto bug(T* t) -> decltype(t[0])
{
  return *t;
}


int main(void)
{
  int i;
  bug(&i);

  return 0;
}


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/52849] crash when using suscript operator in delctype argument
  2012-04-03 18:25 [Bug c++/52849] New: crash when using suscript operator in delctype argument freunddeslichts at web dot de
@ 2012-04-03 18:26 ` freunddeslichts at web dot de
  2012-04-04 11:43 ` daniel.kruegler at googlemail dot com
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: freunddeslichts at web dot de @ 2012-04-03 18:26 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52849

--- Comment #1 from freunddeslichts at web dot de 2012-04-03 18:25:46 UTC ---
Created attachment 27078
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27078
testcase


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/52849] crash when using suscript operator in delctype argument
  2012-04-03 18:25 [Bug c++/52849] New: crash when using suscript operator in delctype argument freunddeslichts at web dot de
  2012-04-03 18:26 ` [Bug c++/52849] " freunddeslichts at web dot de
@ 2012-04-04 11:43 ` daniel.kruegler at googlemail dot com
  2012-04-16 21:28 ` [Bug c++/52849] crash when using subscript operator in decltype argument paolo.carlini at oracle dot com
  2012-04-16 21:28 ` paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: daniel.kruegler at googlemail dot com @ 2012-04-04 11:43 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52849

Daniel Krügler <daniel.kruegler at googlemail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |daniel.kruegler at
                   |                            |googlemail dot com

--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com> 2012-04-04 11:43:22 UTC ---
This example causes no error in gcc 4.8.0 20120311 (experimental)


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/52849] crash when using subscript operator in decltype argument
  2012-04-03 18:25 [Bug c++/52849] New: crash when using suscript operator in delctype argument freunddeslichts at web dot de
                   ` (2 preceding siblings ...)
  2012-04-16 21:28 ` [Bug c++/52849] crash when using subscript operator in decltype argument paolo.carlini at oracle dot com
@ 2012-04-16 21:28 ` paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-04-16 21:28 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52849

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-04-16 21:27:18 UTC ---
Really, 4.4.x is very old, especially in terms of C++11 features. Current
mainline, 4.7.0 and 4.6.x have no problems with the testcase.


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug c++/52849] crash when using subscript operator in decltype argument
  2012-04-03 18:25 [Bug c++/52849] New: crash when using suscript operator in delctype argument freunddeslichts at web dot de
  2012-04-03 18:26 ` [Bug c++/52849] " freunddeslichts at web dot de
  2012-04-04 11:43 ` daniel.kruegler at googlemail dot com
@ 2012-04-16 21:28 ` paolo.carlini at oracle dot com
  2012-04-16 21:28 ` paolo.carlini at oracle dot com
  3 siblings, 0 replies; 5+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-04-16 21:28 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52849

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-04-16 21:27:43 UTC ---
.


^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2012-04-16 21:28 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-04-03 18:25 [Bug c++/52849] New: crash when using suscript operator in delctype argument freunddeslichts at web dot de
2012-04-03 18:26 ` [Bug c++/52849] " freunddeslichts at web dot de
2012-04-04 11:43 ` daniel.kruegler at googlemail dot com
2012-04-16 21:28 ` [Bug c++/52849] crash when using subscript operator in decltype argument paolo.carlini at oracle dot com
2012-04-16 21:28 ` paolo.carlini at oracle dot com

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