Public bug reported: When compiling the attached repro.cc without the -g flag, g++ succeeds:
~/gcc_bug [deepthought●] » g++ -std=c++11 repro.cc With the -g flag, g++ hits an internal compiler error: ~/gcc_bug [deepthought●] » g++ -std=c++11 repro.cc -g repro.cc: In instantiation of ‘struct lambda_visitor<void, main()::__lambda0::__lambda2>’: repro.cc:10:8: required from ‘struct lambda_visitor<void, main()::__lambda0::__lambda1, main()::__lambda0::__lambda2>’ repro.cc:49:62: required from here repro.cc:22:8: internal compiler error: in is_base_type, at dwarf2out.c:9968 struct lambda_visitor<ReturnType, Lambda1> ^ 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/cclEDzyl.out file, please attach this to your bugreport. g++ -v: ~/gcc_bug [deepthought●] » g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.4-2ubuntu1~14.04.3' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-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 --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 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.3) ice.tgz is attached with - error.out has the above output - repro.cc has the source which triggers the ice - preprocessed_source.cc has the preprocessed source - the crash file I reported the bug upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72779 It seems to be fixed by 5.3.1. ** Affects: gcc-4.8 (Ubuntu) Importance: Undecided Status: New ** Attachment added: "ice-shorter-reproducer.tgz" https://bugs.launchpad.net/bugs/1609134/+attachment/4712615/+files/ice-shorter-reproducer.tgz -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gcc-4.8 in Ubuntu. https://bugs.launchpad.net/bugs/1609134 Title: ice when compiling included lambda pattern (internal compiler error: in is_base_type, at dwarf2out.c:9968) Status in gcc-4.8 package in Ubuntu: New Bug description: When compiling the attached repro.cc without the -g flag, g++ succeeds: ~/gcc_bug [deepthought●] » g++ -std=c++11 repro.cc With the -g flag, g++ hits an internal compiler error: ~/gcc_bug [deepthought●] » g++ -std=c++11 repro.cc -g repro.cc: In instantiation of ‘struct lambda_visitor<void, main()::__lambda0::__lambda2>’: repro.cc:10:8: required from ‘struct lambda_visitor<void, main()::__lambda0::__lambda1, main()::__lambda0::__lambda2>’ repro.cc:49:62: required from here repro.cc:22:8: internal compiler error: in is_base_type, at dwarf2out.c:9968 struct lambda_visitor<ReturnType, Lambda1> ^ 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/cclEDzyl.out file, please attach this to your bugreport. g++ -v: ~/gcc_bug [deepthought●] » g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.8.4-2ubuntu1~14.04.3' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-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 --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 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.3) ice.tgz is attached with - error.out has the above output - repro.cc has the source which triggers the ice - preprocessed_source.cc has the preprocessed source - the crash file I reported the bug upstream: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72779 It seems to be fixed by 5.3.1. 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