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From: "alexander.lelyakin at googlemail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/99240] New: internal compiler error: in get_merge_kind, at
 cp/module.cc:10169
Date: Wed, 24 Feb 2021 08:39:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99240

            Bug ID: 99240
           Summary: internal compiler error: in get_merge_kind, at
                    cp/module.cc:10169
           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=3Dc++20 -fmodules-ts -x c++-system-header array
g++ -std=3Dc++20 -fmodules-ts -x c++-system-header istream
g++ -std=3Dc++20 -fmodules-ts -x c++-system-header compare
g++ -std=3Dc++20 -fmodules-ts -x c++-system-header thread
-----
/usr/local/include/c++/11.0.0/thread: internal compiler error: in
get_merge_kind, at cp/module.cc:10169
0x6dcd5f trees_out::get_merge_kind(tree_node*, depset*)
        ../../gcc/gcc/cp/module.cc:10169
0xa5a163 trees_out::decl_value(tree_node*, depset*)
        ../../gcc/gcc/cp/module.cc:7629
0xa5b0bb trees_out::decl_node(tree_node*, walk_kind)
        ../../gcc/gcc/cp/module.cc:8624
0xa5c0b2 trees_out::tree_node(tree_node*)
        ../../gcc/gcc/cp/module.cc:9179
0xa61a03 module_state::write_pendings(elf_out*, vec<depset*, va_heap, vl_pt=
r>,
depset::hash&, unsigned int, unsigned int*)
        ../../gcc/gcc/cp/module.cc:15414
0xa63230 module_state::write(elf_out*, cpp_reader*)
        ../../gcc/gcc/cp/module.cc:17759
0xa638fc finish_module_processing(cpp_reader*)
        ../../gcc/gcc/cp/module.cc:19860
0x9f72cb c_parse_final_cleanups()
        ../../gcc/gcc/cp/decl2.c:5175
-----
g++ (GCC) 11.0.0 20210223 (experimental)=