[Bug 1002053] Re: g++ Internal compiler error when compiling boost/smart_ptr/intrusive_ptr.hpp 1.49

[Matthias Klose]

** Package changed: gcc-defaults (Ubuntu) => gcc-4.6 (Ubuntu)

** Also affects: gcc-4.6 (Ubuntu Oneiric)
   Importance: Undecided
       Status: New

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Title:
  g++ Internal compiler error when compiling
  boost/smart_ptr/intrusive_ptr.hpp 1.49

Status in “gcc-4.6” package in Ubuntu:
  New
Status in “gcc-4.6” source package in Oneiric:
  New

Bug description:
  When compiling boost 1.49 on Ubuntu 11.10 wigh GCC version 4.6.1-9ubuntu3, I
  get an internal compiler error. The error happens when the following command is
  run in tools/quickbook:

   "g++"  -ftemplate-depth-300 -O3 -finline-functions -Wno-inline -Wall -g -g0
  -DBOOST_ALL_NO_LIB=1 -DBOOST_FILESYSTEM_NO_DEPRECATED
  -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG  -I"../.." -c -o
  "../../bin.v2/tools/quickbook/src/gcc-4.6.1/release/debug-symbols-on/link-static/id_manager.o"
  "src/id_manager.cpp"

  The error is:

  In file included from ../../boost/intrusive_ptr.hpp:16:0,
                   from src/fwd.hpp:15,
                   from src/values.hpp:20,
                   from src/id_manager.hpp:14,
                   from src/id_manager.cpp:9:
  ../../boost/smart_ptr/intrusive_ptr.hpp: In destructor
  ‘boost::intrusive_ptr<T>::~intrusive_ptr() [with T = quickbook::file_info]’:
  ../../boost/smart_ptr/intrusive_ptr.hpp:94:5: internal compiler error:
  Segmentation fault

  I was building the boost library by downloading the sources from here:
  http://packages.ubuntu.com/source/quantal/boost1.49 and using the "debuild"
  tool to build installable packages. The build will fail at the above command,
  and the command can then be repeated to consistently produce the error.

  I reported this bug upstream:
  gcc.gnu.org/bugzilla/show_bug.cgi?id=53350. The upstream report
  includes a reduced test case.

  I determined that this bug is fixed in GCC 4.6.3, which is the version
  included in Ubuntu 12.04. To fix this bug, presumably the fix would
  need to be located and backported. Obviously, Ubuntu 11.10 does not
  use version 1.49 of Boost. I was compiling this newer version (from
  the 12.10 repos) on Ubuntu 11.10 so that I could compile a recent
  release of some other software that requires this version. If being
  able to compile later versions of Boost is not a priority, you can
  close this as invalid and mark it as fixed in 12.04. I don't know if
  any other commonly used software triggers the same compiler bug, so I
  can't comment on the overall impact.

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