https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103814
Bug ID: 103814
Summary: Internal error while compiling concepts, exception and
fstream modules.
Product: gcc
Version: 11.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: samuel.hangouet at gmail dot com
Target Milestone: ---
To reproduce, just type:
rm -rf ./gcm.cache
g++-11 -fmodules-ts -std=c++20 -x c++-system-header concepts
g++-11 -fmodules-ts -std=c++20 -x c++-system-header exception
g++-11 -fmodules-ts -std=c++20 -x c++-system-header fstream
Here is the resulting error message:
In file included from /usr/include/c++/11/bits/nested_exception.h:40,
from /usr/include/c++/11/exception:148,
of module /usr/include/c++/11/exception, imported at
/usr/include/c++/11/ios:39,
included from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/fstream:38:
/usr/include/c++/11/bits/move.h: In instantiation of ‘constexpr
std::_Require<std::__not_<std::__is_tuple_like<_Tp> >,
std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > std::swap(_Tp&,
_Tp&) [with _Tp = _IO_FILE*;
std::_Require<std::__not_<std::__is_tuple_like<_Tp> >,
std::is_move_constructible<_Tp>, std::is_move_assignable<_Tp> > = void]’:
/usr/include/x86_64-linux-gnu/c++/11/bits/basic_file.h:79:11: required from
here
/usr/include/c++/11/bits/move.h:204:19: internal compiler error: in
tsubst_copy, at cp/pt.c:16660
204 | _Tp __tmp = _GLIBCXX_MOVE(__a);
| ^~~~~~~~~~~~~
0xe306b3 internal_error(char const*, ...)
???:0
0xe27039 fancy_abort(char const*, int, char const*)
???:0
0x10edb0c tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
???:0
0x10ee05d tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
???:0
0x10eefae tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
???:0
0x1178f37 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
???:0
0x117927d tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
???:0
0x1178ffe tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
???:0
0x1178f95 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
???:0
0x122150a instantiate_decl(tree_node*, bool, bool)
???:0
0xfa3850 instantiate_pending_templates(int)
???:0
0xf9f8f3 c_parse_final_cleanups()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.
I'm using standard g++-11 shipped with ubuntu 20.04 :
$ g++-11 -v
Using built-in specs.
COLLECT_GCC=g++-11
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
11.1.0-1ubuntu1~20.04' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs
--enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr
--with-gcc-major-version-only --program-suffix=-11
--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 --disable-cet
--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-11-2V7zgg/gcc-11-11.1.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-2V7zgg/gcc-11-11.1.0/debian/tmp-gcn/usr
--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-serialization=2
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.1.0 (Ubuntu 11.1.0-1ubuntu1~20.04)
