https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80385
Bug ID: 80385 Summary: Internal Segmentation Fault Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jrkoenig at stanford dot edu Target Milestone: --- The attached file (main.ii) generates an internal segmentation fault using: $ g++ -ffast-math -O3 -c main.ii ... snip random warnings ... /home/jason/dev/dual-contouring/src/main.cpp: In function ‘bool CameraAABBIntersect(OctNode*, camera_params)’: /home/jason/dev/dual-contouring/src/main.cpp:823:1: internal compiler error: Segmentation fault auto nodes = expand_queue.Get(10); ^ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions. The system is a x64 Ubuntu 16.10 with gcc 6.2.0: $ uname -a Linux graviton 4.8.0-46-generic #49-Ubuntu SMP Fri Mar 31 13:57:14 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux $ g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 6.2.0-5ubuntu12' --with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-6 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12)