https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99238
Bug ID: 99238
Summary: [modules] internal compiler error: segmentation fault
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 optional
g++ -std=c++20 -fmodules-ts -x c++-system-header condition_variable
g++ -std=c++20 -fmodules-ts -x c++-system-header ranges
g++ -std=c++20 -fmodules-ts -x c++-system-header cstdlib
g++ -std=c++20 -fmodules-ts -x c++-system-header set
g++ -std=c++20 -fmodules-ts -x c++-system-header iomanip
-------
/usr/local/include/c++/11.0.0/iomanip: internal compiler error: Segmentation
fault
0x10fb80f crash_signal
../../gcc/gcc/toplev.c:327
0x6de77a trees_out::get_tag(tree_node*)
../../gcc/gcc/cp/module.cc:4896
0x6de77a trees_out::ref_node(tree_node*)
../../gcc/gcc/cp/module.cc:7203
0x6de77a trees_out::ref_node(tree_node*)
../../gcc/gcc/cp/module.cc:7186
0xa5beec trees_out::tree_node(tree_node*)
../../gcc/gcc/cp/module.cc:9053
0xa5de21 trees_out::type_node(tree_node*)
../../gcc/gcc/cp/module.cc:8776
0xa5c2ea trees_out::tree_node(tree_node*)
../../gcc/gcc/cp/module.cc:9136
0xa5dbdc trees_out::type_node(tree_node*)
../../gcc/gcc/cp/module.cc:8694
0xa5c2ea trees_out::tree_node(tree_node*)
../../gcc/gcc/cp/module.cc:9136
0xa5e064 trees_out::type_node(tree_node*)
../../gcc/gcc/cp/module.cc:8803
0xa5c2ea trees_out::tree_node(tree_node*)
../../gcc/gcc/cp/module.cc:9136
0xa5cc1f trees_out::core_vals(tree_node*)
../../gcc/gcc/cp/module.cc:6106
0xa5dafc trees_out::tree_node_vals(tree_node*)
../../gcc/gcc/cp/module.cc:7166
0xa5dafc trees_out::fn_parms_init(tree_node*)
../../gcc/gcc/cp/module.cc:10067
0xa5aa96 trees_out::decl_value(tree_node*, depset*)
../../gcc/gcc/cp/module.cc:7763
0xa61fd3 depset::hash::find_dependencies(module_state*)
../../gcc/gcc/cp/module.cc:13235
0xa62625 module_state::write(elf_out*, cpp_reader*)
../../gcc/gcc/cp/module.cc:17611
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)
