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From: "lh_mouse at 126 dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/100111] New: `-fno-elide-constructors` causes ICE in GCC 10.3 Date: Fri, 16 Apr 2021 05:37:42 +0000 [thread overview] Message-ID: <bug-100111-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100111 Bug ID: 100111 Summary: `-fno-elide-constructors` causes ICE in GCC 10.3 Product: gcc Version: 10.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: lh_mouse at 126 dot com Target Milestone: --- Host: x86_64-linux-gnu Target: x86_64-linux-gnu Created attachment 50610 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50610&action=edit minimum testcase ``` lh_mouse@lhmouse-ideapad ~/Desktop $ cat ice.cc // g++-10 -fno-elide-constructors ice.cc struct b {}; struct j : b { int e; constexpr j(b k) : b(k), e() {} }; struct g { j h; constexpr g() : h({}) {} } a; lh_mouse@lhmouse-ideapad ~/Desktop $ g++-10 -fno-elide-constructors ice.cc ice.cc:11:3: in ‘constexpr’ expansion of ‘a.g::g()’ ice.cc:10:23: in ‘constexpr’ expansion of ‘((g*)this)->g::h.j::j((b(), b()))’ ice.cc:11:3: internal compiler error: in cxx_eval_store_expression, at cp/constexpr.c:4939 11 | } a; | ^ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-10/README.Bugs> for instructions. ``` ``` lh_mouse@lhmouse-ideapad ~/Desktop $ g++-10 -v Using built-in specs. 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 10.3.0-1ubuntu1~20.04~2' --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-bootstrap --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-S8Osas/gcc-10-10.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-S8Osas/gcc-10-10.3.0/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 --with-build-config=bootstrap-lto-lean --enable-link-mutex Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.3.0 (Ubuntu 10.3.0-1ubuntu1~20.04~2) ```
next reply other threads:[~2021-04-16 5:37 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 5:37 lh_mouse at 126 dot com [this message] 2021-04-16 7:36 ` [Bug c++/100111] [10/11 Regression] `-fno-elide-constructors` with `constexpr` ctors " rguenth at gcc dot gnu.org 2021-04-16 8:14 ` jakub at gcc dot gnu.org 2021-04-16 9:04 ` jakub at gcc dot gnu.org 2021-04-16 10:16 ` jakub at gcc dot gnu.org 2021-04-16 11:11 ` lh_mouse at 126 dot com 2021-04-16 14:01 ` lh_mouse at 126 dot com 2021-04-16 14:10 ` jason at gcc dot gnu.org 2021-04-16 15:44 ` cvs-commit at gcc dot gnu.org 2021-04-17 3:33 ` [Bug c++/100111] [10 " jason at gcc dot gnu.org 2021-04-20 9:46 ` cvs-commit at gcc dot gnu.org 2021-04-20 9:53 ` jakub at gcc dot gnu.org 2022-04-13 14:18 ` cvs-commit at gcc dot gnu.org 2022-05-06 20:30 ` cvs-commit at gcc dot gnu.org 2022-05-12 20:13 ` cvs-commit at gcc dot gnu.org 2022-05-12 21:15 ` cvs-commit at gcc dot gnu.org
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