[Bug 1286343]

[Trippels]

Created attachment 32382
reduced testcase

Here's a reduced testcase that segfaults also on x86_64.

markus at x4 tmp % g++ -std=c++11 -c -O2 -c test.ii 
ASAN:SIGSEGV
=================================================================
==17160==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000010 (pc 0x000000d9b9b7 sp 0x7fff7ac203c0 bp 0x0fffef5840a0 T0)
    #0 0xd9b9b6 in cgraph_function_node(cgraph_node*, availability*) ../../gcc/gcc/cgraph.c:2966
    #1 0x25e6923 in propagate_pure_const ../../gcc/gcc/ipa-pure-const.c:1185
    #2 0x25e6923 in propagate ../../gcc/gcc/ipa-pure-const.c:1483
    #3 0x25e6923 in execute ../../gcc/gcc/ipa-pure-const.c:1536
    #4 0x14b93cd in execute_one_pass(opt_pass*) ../../gcc/gcc/passes.c:2229
    #5 0x14badd0 in execute_ipa_pass_list(opt_pass*) ../../gcc/gcc/passes.c:2607
    #6 0xdb2bb1 in ipa_passes ../../gcc/gcc/cgraphunit.c:2084
    #7 0xdb2bb1 in compile() ../../gcc/gcc/cgraphunit.c:2174
    #8 0xdb484a in finalize_compilation_unit() ../../gcc/gcc/cgraphunit.c:2329
    #9 0x84561a in cp_write_global_declarations() ../../gcc/gcc/cp/decl2.c:4610
    #10 0x16aa252 in compile_file ../../gcc/gcc/toplev.c:562
    #11 0x16af0db in do_compile ../../gcc/gcc/toplev.c:1914
    #12 0x16af0db in toplev_main(int, char**) ../../gcc/gcc/toplev.c:1990
    #13 0x7ff8fae69faf in __libc_start_main (/lib/libc.so.6+0x1ffaf)
    #14 0x5d9460 (/var/tmp/gcc_sani/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/cc1plus+0x5d9460)

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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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