[Bug 1286343]

[Trippels]

A bit more reduced:

markus at x4 tmp % cat test.ii
namespace poses
{
}
namespace utils
{
using namespace poses;
}
namespace poses
{
class J
{
public:
  J ();
  virtual void m_fn1 (int &p1, int);
};
class I : utils::J
{
};
class D
{
public:
  virtual void m_fn1 (poses::I &) const;
  void m_fn2 ()
  {
    I p;
    m_fn1 (p);
  }
};
class K : utils::J, public utils::D
{
};
struct F
{
  K *operator->();
};
class N : public K
{
  void m_fn1 (int &p1, int);
  void m_fn1 (I &) const {}
};
class L;
struct M
{
  L *operator->();
};
class L
{
public:
  F poseChange;
};
class G
{
  G ();
};
}

using namespace utils;
M h;
G::G () try
{
  N f;
  f.m_fn2 ();
  throw;
}

catch (int) {}

void fn1 () { h->poseChange->m_fn2 (); }

markus at x4 tmp % g++ -c -O2 test.ii
test.ii:68:40: internal compiler error: Segmentation fault

-- 
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https://bugs.launchpad.net/bugs/1286343

Title:
  mrpt triggers ICE on armf, powerpc, ppc64el at -O2 or higher

Status in The GNU Compiler Collection:
  Confirmed
Status in “gcc-4.8” package in Ubuntu:
  New
Status in “mrpt” package in Ubuntu:
  Fix Released
Status in “gcc” package in Fedora:
  Unknown

Bug description:
  [ 61%] Building CXX object libs/slam/CMakeFiles/mrpt-slam.dir/src/slam/CMetricMapBuilderICP.cpp.o
  cd /root/mrpt-1.0.2/libs/slam && /usr/bin/c++   -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXGTK__ -Dmrpt_slam_EXPORTS -isystem /usr/include/opencv -isystem /usr/include -pthread -I /usr/lib/powerpc64le-linux-gnu/wx/include/gtk2-unicode-release-2.8 -isystem /usr/lib/powerpc64le-linux-gnu/wx/include/gtk2-unicode-release-2.8 -I /usr/include/wx-2.8 -isystem /usr/include/wx-2.8  -Wall -Wno-long-long -Wno-write-strings -Wno-variadic-macros -pedantic -pthread -std=c++11   -O3 -DNDEBUG -fPIC -I/usr/include/eigen3 -I/usr/include/eigen3/unsupported -I/usr/include/opencv -I/usr/include/ffmpeg -I/usr/include/libavcodec -I/usr/include/libavformat -I/usr/include/libswscale -isystem /usr/lib/powerpc64le-linux-gnu/wx/include/gtk2-unicode-release-2.8 -isystem /usr/include/wx-2.8 -I/root/mrpt-1.0.2/. -I/root/mrpt-1.0.2/include/mrpt-config/unix -I/root/mrpt-1.0.2/libs/slam/include -I/root/mrpt-1.0.2/libs/bayes/include -I/root/mrpt-1.0.2/libs/graphs/include -I/root/mrpt-1.0.2/libs/vision/include -I/root/mrpt-1.0.2/libs/scanmatching/include -I/root/mrpt-1.0.2/libs/maps/include -I/root/mrpt-1.0.2/libs/obs/include -I/root/mrpt-1.0.2/libs/opengl/include -I/root/mrpt-1.0.2/libs/base/include    -o CMakeFiles/mrpt-slam.dir/src/slam/CMetricMapBuilderICP.cpp.o -c /root/mrpt-1.0.2/libs/slam/src/slam/CMetricMapBuilderICP.cpp
  /root/mrpt-1.0.2/libs/slam/src/slam/CMetricMapBuilderICP.cpp:629:1: internal compiler error: Segmentation fault
   }
   ^
  Please submit a full bug report,
  with preprocessed source if appropriate.
  See <file:///usr/share/doc/gcc-4.8/README.Bugs> for instructions.
  Preprocessed source stored into /tmp/ccvuEZay.out file, please attach this to your bugreport.
  make[2]: *** [libs/slam/CMakeFiles/mrpt-slam.dir/src/slam/CMetricMapBuilderICP.cpp.o] Error 1

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