[Dune] [#864] Dune's shared_ptr implementation cannot copy default-constructed shared_ptrs

[Dune]

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User who did this - Jö Fahlke (joe) 

Attached to Project - Dune
Summary - Dune's shared_ptr implementation cannot copy default-constructed shared_ptrs
Task Type - Bug Report
Category - Common
Status - New
Assigned To - 
Operating System - Unspecified / All
Severity - Low
Priority - Normal
Reported Version - SVN (pre2.1)
Due in Version - Undecided
Due Date - Undecided
Details - Dune's shared_ptr implementation often does not check that the rep_ member is
non-null, resulting in segfaults for instance in the following code:

  shared_ptr<int> a;
  shared_ptr<int> b(a); // segmentation fault

I build this as a test-case into dune/common/test/shared_ptrtest.cc (that
source file generated two programs, use shared_ptrtest_dune to check Dune's
reimplementation of shared_ptr).


More information can be found at the following URL:
http://www.dune-project.org/flyspray/index.php?do=details&task_id=864

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