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From: "60rntogo at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/100122] New: template substitution triggers a segfault Date: Fri, 16 Apr 2021 18:18:38 +0000 [thread overview] Message-ID: <bug-100122-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100122 Bug ID: 100122 Summary: template substitution triggers a segfault Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: 60rntogo at gmail dot com Target Milestone: --- Created attachment 50618 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50618&action=edit preprocessed file This code: template <typename> struct A { struct B { template <typename T> using C = T; using D = C<A>; }; }; compiled with: g++-10 -std=c++2a test.cpp triggers: test.cpp: In substitution of ‘template<class> template<class T> using C = T [with T = A< <template-parameter-1-1> >; <template-parameter-1-1> = <template-parameter-1-1>]’: test.cpp:6:18: required from here test.cpp:6:18: internal compiler error: Segmentation fault 6 | using D = C<A>; GCC version: COLLECT_GCC=g++-10 COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/10/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa:hsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 10.2.0-13ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-10/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-10 --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 --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-10-JvwpWM/gcc-10-10.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-JvwpWM/gcc-10-10.2.0/debian/tmp-gcn/usr,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.2.0 (Ubuntu 10.2.0-13ubuntu1)
next reply other threads:[~2021-04-16 18:18 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 18:18 60rntogo at gmail dot com [this message] 2021-04-16 18:53 ` [Bug c++/100122] " mpolacek at gcc dot gnu.org
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