https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99285
Bug ID: 99285
Summary: [modules] ICE canonical types differ for identical
types ‘std::common_type...
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: alexander.lelyakin at googlemail dot com
Target Milestone: ---
g++ -std=c++20 -fmodules-ts -x c++-system-header atomic
g++ -std=c++20 -fmodules-ts -x c++-system-header locale
g++ -std=c++20 -fmodules-ts -x c++-system-header stop_token
----
In file included from
/usr/local/include/c++/11.0.1/bits/atomic_timed_wait.h:40,
from /usr/local/include/c++/11.0.1/bits/semaphore_base.h:37,
from /usr/local/include/c++/11.0.1/semaphore:35,
from /usr/local/include/c++/11.0.1/stop_token:37:
/usr/local/include/c++/11.0.1/chrono:665:64: internal compiler error: canonical
types differ for identical types ‘std::common_type<_Rep1, _Rep2>’ and
‘std::common_type<_Tp1, _Tp2>’
665 | typename _CRep = typename common_type<_Rep1, _Rep2>::type>
| ^
0xb7c74f comptypes(tree_node*, tree_node*, int)
../../gcc/gcc/cp/typeck.c:1540
0xb473b2 fixup_template_type
../../gcc/gcc/cp/semantics.c:3477
0xb473b2 finish_template_type(tree_node*, tree_node*, int)
../../gcc/gcc/cp/semantics.c:3510
0xab96c1 cp_parser_template_id
../../gcc/gcc/cp/parser.c:17397
0xab98ab cp_parser_class_name
../../gcc/gcc/cp/parser.c:24624
0xab0e3a cp_parser_qualifying_entity
../../gcc/gcc/cp/parser.c:6994
0xab0e3a cp_parser_nested_name_specifier_opt
../../gcc/gcc/cp/parser.c:6676
0xabfc5f cp_parser_nested_name_specifier
../../gcc/gcc/cp/parser.c:6920
0xabfc5f cp_parser_elaborated_type_specifier
../../gcc/gcc/cp/parser.c:19372
0xaa5395 cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:18398
0xab70f3 cp_parser_type_specifier_seq
../../gcc/gcc/cp/parser.c:23299
0xab5774 cp_parser_type_id_1
../../gcc/gcc/cp/parser.c:23102
0xab5a04 cp_parser_type_id
../../gcc/gcc/cp/parser.c:23195
0xab5a04 cp_parser_default_type_template_argument
../../gcc/gcc/cp/parser.c:16843
0xac350f cp_parser_type_parameter
../../gcc/gcc/cp/parser.c:17079
0xac27af cp_parser_template_parameter
../../gcc/gcc/cp/parser.c:16930
0xac27af cp_parser_template_parameter_list
../../gcc/gcc/cp/parser.c:16563
0xad17f2 cp_parser_explicit_template_declaration
../../gcc/gcc/cp/parser.c:30257
0xad3fd9 cp_parser_declaration
../../gcc/gcc/cp/parser.c:14000
0xad3579 cp_parser_toplevel_declaration
../../gcc/gcc/cp/parser.c:14098
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
----
g++ (GCC) 11.0.1 20210225 (experimental)
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