[Bug 1286343]

[Y-gribov]

This might have been fixed in trunk already, at least I can't repro for arm-v7a15. My fresh gcc is configured with
 ~/src/gcc-master/configure --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=arm-v7a15-linux-gnueabi --prefix=/home/ygribov/install/gcc-master-arm-full --with-sysroot=/home/ygribov/install/gcc-master-arm-full/arm-v7a15-linux-gnueabi/sys-root/ --disable-libmudflap --disable-libssp --disable-nls --disable-libstdcxx-pch --with-interwork --with-mode=arm --with-fpu=vfpv3 --with-cpu=cortex-a15 --with-tune=cortex-a15 --with-float=softfp --enable-libgomp --enable-poison-system-directories --enable-long-long --enable-threads --enable-languages=c,c++ --enable-shared --with-gnu-as --with-gnu-ld --with-build-time-tools=/home/ygribov/install/gcc-master-arm-full --enable-checking CFLAGS='-g -O0' CXXFLAGS='-g -O0'

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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:
  New
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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