https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99737
--- Comment #1 from Alexander Lelyakin <alexander.lelyakin at googlemail dot
com> ---
Similar, but somewhat different message:
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header cwchar
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header cmath
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header type_traits
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header
condition_variable
/usr/local/bin/g++ -std=c++20 -fmodules-ts -x c++-system-header future
----
corrupted double-linked list
In file included from /usr/local/include/c++/11.0.1/future:43:
/usr/local/include/c++/11.0.1/bits/atomic_futex.h:171:36: internal compiler
error: Aborted
171 | bool __equal, memory_order __mo,
| ^~~~
0x110151f crash_signal
../../gcc/gcc/toplev.c:327
0x1d474c4 xcalloc
../../gcc/libiberty/xmalloc.c:162
0xc2d30c alloc_page
../../gcc/gcc/ggc-page.c:918
0xc2d30c ggc_internal_alloc(unsigned long, void (*)(void*), unsigned long,
unsigned long)
../../gcc/gcc/ggc-page.c:1294
0xe16c69 ggc_internal_cleared_alloc(unsigned long, void (*)(void*), unsigned
long, unsigned long)
../../gcc/gcc/ggc-common.c:117
0xa25f78 ggc_internal_cleared_alloc(unsigned long)
../../gcc/gcc/ggc.h:143
0xa25f78 maybe_add_lang_decl_raw(tree_node*, bool)
../../gcc/gcc/cp/lex.c:903
0xa2626e retrofit_lang_decl(tree_node*)
../../gcc/gcc/cp/lex.c:972
0xa2626e retrofit_lang_decl(tree_node*)
../../gcc/gcc/cp/lex.c:967
0xac6725 cp_parser_parameter_declaration_list
../../gcc/gcc/cp/parser.c:23607
0xac6ab1 cp_parser_parameter_declaration_clause
../../gcc/gcc/cp/parser.c:23496
0xab7be3 cp_parser_direct_declarator
../../gcc/gcc/cp/parser.c:22145
0xab7be3 cp_parser_declarator
../../gcc/gcc/cp/parser.c:22008
0xacee48 cp_parser_init_declarator
../../gcc/gcc/cp/parser.c:21506
0xad5c7b cp_parser_single_declaration
../../gcc/gcc/cp/parser.c:30517
0xad5de6 cp_parser_template_declaration_after_parameters
../../gcc/gcc/cp/parser.c:30089
0xad6590 cp_parser_explicit_template_declaration
../../gcc/gcc/cp/parser.c:30355
0xaa7998 cp_parser_member_specification_opt
../../gcc/gcc/cp/parser.c:25799
0xaa7998 cp_parser_class_specifier_1
../../gcc/gcc/cp/parser.c:24877
0xaa9ec3 cp_parser_class_specifier
../../gcc/gcc/cp/parser.c:25193
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 20210327 (experimental)
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