https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112557
--- Comment #1 from Tobias Schlüter <tobi at gcc dot gnu.org> ---
With today's trunk on x86-64 I can reproduce this, giving the following:
$ ../gcc.git/build/gcc/cc1plus t.cc --std=c++20 -fpermissive
-fext-numeric-literals 2>&1
[ ... stripping away thousands of warnings ... ]
/home/lpresearch/LPResearch/lpopenvr_lpviz/00_3rdparty/00_tracking_systems/DTrackSDK_v2.8.0/include/DTrackParse.hpp:
In static member function ‘static
boost::asio::awaitable<std::unique_ptr<LP::DTrackDebugDataListener::Impl> >
LP::DTrac>
/home/lpresearch/LPResearch/lpopenvr_lpviz/00_3rdparty/00_tracking_systems/DTrackSDK_v2.8.0/include/DTrackParse.hpp:263:5:
internal compiler error: tree check: expected record_type or union_type or
qual_union_type, have array_type in bu>
0x938c90 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.cc:8952
0x73fd02 tree_check3(tree_node*, char const*, int, char const*, tree_code,
tree_code, tree_code)
../../gcc/tree.h:3642
0x73fd02 build_special_member_call(tree_node*, tree_node*, vec<tree_node*,
va_gc, vl_embed>**, tree_node*, int, int)
../../gcc/cp/call.cc:11071
0xaa0eac maybe_promote_temps
../../gcc/cp/coroutines.cc:3142
0xaa0eac await_statement_walker
../../gcc/cp/coroutines.cc:3753
0x162f7dc 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_>
../../gcc/tree.cc:11418
0xaa0668 await_statement_walker
../../gcc/cp/coroutines.cc:3424
0x162f7dc 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_>
../../gcc/tree.cc:11418
0x162f934 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_>
../../gcc/tree.cc:11652
0xaa0668 await_statement_walker
../../gcc/cp/coroutines.cc:3424
0x162f7dc 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_>
../../gcc/tree.cc:11418
0x162f934 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_>
../../gcc/tree.cc:11652
0xaa0668 await_statement_walker
../../gcc/cp/coroutines.cc:3424
0x162f7dc 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_>
../../gcc/tree.cc:11418
0x162f934 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_>
../../gcc/tree.cc:11652
0xaa0668 await_statement_walker
../../gcc/cp/coroutines.cc:3424
0x162f7dc 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_>
../../gcc/tree.cc:11418
0x162f934 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_>
../../gcc/tree.cc:11652
0xaa0668 await_statement_walker
../../gcc/cp/coroutines.cc:3424
0x162f7dc 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_>
../../gcc/tree.cc:11418
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
The error location is this:
#2 build_special_member_call (instance=0x7fffe891d090, name=0x7ffff76f5200,
args=0x0, binfo=0x7fffe88e4540, flags=1, complain=3) at
../../gcc/cp/call.cc:11071
11071 binfo = TYPE_BINFO (binfo);
(gdb) l
11066 {
11067 /* Resolve the name. */
11068 if (!complete_type_or_maybe_complain (binfo, NULL_TREE,
complain))
11069 return error_mark_node;
11070
11071 binfo = TYPE_BINFO (binfo);
11072 }
11073
11074 gcc_assert (binfo != NULL_TREE);
11075
(gdb)
