https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102990
Bug ID: 102990
Summary: ICE in tsubst_copy_and_build, à cp/pt.c:19856
Product: gcc
Version: 11.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jeanmichael.celerier at gmail dot com
Target Milestone: ---
Created attachment 51695
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51695&action=edit
Source code that causes the ICE
Hello,
g++-11.1 (Arch Linux).
Here's the stack trace I'm getting:
$ g++ -fPIC -fcoroutines -std=gnu++20 -c out.cpp
In file included from /usr/include/boost/pfr/detail/core17.hpp:11,
from /usr/include/boost/pfr/detail/core.hpp:17,
from /usr/include/boost/pfr/core.hpp:12,
from /usr/include/boost/pfr.hpp:12,
from
/home/jcelerier/projets/perso/avendish/src/avnd/concepts/generic.hpp:6,
from
/home/jcelerier/projets/perso/avendish/src/avnd/concepts/audio_port.hpp:6,
from
/home/jcelerier/projets/perso/avendish/src/avnd/concepts.hpp:6,
from
/home/jcelerier/projets/perso/avendish/src/avnd/prepare.hpp:5,
from
/home/jcelerier/projets/perso/avendish/src/avnd/avnd.hpp:5,
from
/home/jcelerier/projets/perso/avendish/src/python/processor.hpp:5,
from /tmp/sdfljifg/examples__Helpers_python.cpp:5:
/usr/include/boost/pfr/detail/fields_count.hpp: In substitution of
‘template<class T, long unsigned int N> constexpr decltype (sizeof (T{}))
boost::pfr::detail::detect_fields_count_dispatch(boost::pfr::detail::size_t_<I>,
long int, int) [with T = examples::Helpers<python::config>::<unnamed struct>;
long unsigned int N = <missing>]’:
/usr/include/boost/pfr/detail/fields_count.hpp:243:78: required from
‘constexpr std::size_t boost::pfr::detail::fields_count() [with T = const
examples::Helpers<python::config>::<unnamed struct>; std::size_t = long
unsigned int]’
/usr/include/boost/pfr/detail/core17.hpp:54:54: required from ‘constexpr
auto boost::pfr::detail::tie_as_tuple(T&) [with T = const
examples::Helpers<python::config>::<unnamed struct>]’
/usr/include/boost/pfr/core.hpp:106:29: required from ‘constexpr auto
boost::pfr::structure_to_tuple(const T&) [with T =
examples::Helpers<python::config>::<unnamed struct>]’
/home/jcelerier/projets/perso/avendish/src/avnd/concepts/port.hpp:12:424:
required from ‘struct avnd::inputs_type<examples::Helpers<python::config> >’
/home/jcelerier/projets/perso/avendish/src/avnd/input_introspection.hpp:13:7:
required by substitution of ‘template<class T> using
parameter_input_introspection = avnd::parameter_introspection<typename
avnd::inputs_type<T>::type> [with T = examples::Helpers<python::config>]’
/home/jcelerier/projets/perso/avendish/src/python/processor.hpp:47:54:
required from ‘python::processor<T>::processor(pybind11::module_&) [with T =
examples::Helpers<python::config>]’
/tmp/sdfljifg/examples__Helpers_python.cpp:10:52: required from here
/usr/include/boost/pfr/detail/fields_count.hpp:189:17: internal compiler
error: in tsubst_copy_and_build, at cp/pt.c:19856
189 | -> decltype(sizeof(T{}))
| ^~~~~~~~~~~
0x1797368 internal_error(char const*, ...)
???:0
0x67f8f9 fancy_abort(char const*, int, char const*)
???:0
0x6be30e fold_non_dependent_init(tree_node*, int, bool, tree_node*)
???:0
0x816127 finish_compound_literal(tree_node*, tree_node*, int, fcl_t)
???:0
0x7e78a9 tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x7e721e tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x803139 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool,
bool)
???:0
0x6994f5 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
???:0
0x8177bc finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**,
bool, bool, int)
???:0
0x7ea4ef instantiate_decl(tree_node*, bool, bool)
???:0
0xfa14b3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
???:0
0xfa16a0 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
???:0
0xfa37da walk_tree_without_duplicates_1(tree_node**, tree_node*
(*)(tree_node**, int*, void*), void*, tree_node* (*)(tree_node**, int*,
tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
???:0
0x6bdef4 maybe_constant_value(tree_node*, tree_node*, bool)
???:0
0x7e7c3a tsubst(tree_node*, tree_node*, int, tree_node*)
???:0
0x7ea4ef instantiate_decl(tree_node*, bool, bool)
???:0
0x711996 mark_used(tree_node*, int)
???:0
0x69950a build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
???:0
0x8177bc finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**,
bool, bool, int)
???:0
0x7ea4ef instantiate_decl(tree_node*, bool, bool)
???:0
