https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120013
--- Comment #2 from Amber Ehrlich <miuna.oshino at gmail dot com> --- Created attachment 61244 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61244&action=edit Crash 1 project files + preprocessed source Output: /usr/local/bin/g++ -std=c++20 -freport-bug -Wall -Wextra -pedantic -MD -MT CMakeFiles/meow.dir/owo.ixx.o -MF CMakeFiles/meow.dir/owo.ixx.o.d -fmodules-ts -fmodule-mapper=CMakeFiles/meow.dir/owo.ixx.o.modmap -MD -fdeps-format=p1689r5 -x c++ -o CMakeFiles/meow.dir/owo.ixx.o -c /home/miuna/dev/crash-1/owo.ixx /home/miuna/dev/crash-1/owo.ixx:12:25: internal compiler error: Segmentation fault 12 | export std::array<int, 5> owo; | ^ 0x22cc84f internal_error(char const*, ...) /home/miuna/dev/gcc/gcc/diagnostic-global-context.cc:517 0xfe115f crash_signal /home/miuna/dev/gcc/gcc/toplev.cc:322 0x7f18f866b32f ??? ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 0x78419a install_entity /home/miuna/dev/gcc/gcc/cp/module.cc:8109 0x78419a decl_value /home/miuna/dev/gcc/gcc/cp/module.cc:8657 0x8e8a94 tree_node /home/miuna/dev/gcc/gcc/cp/module.cc:10062 0x8ed09c module_state::read_cluster(unsigned int) /home/miuna/dev/gcc/gcc/cp/module.cc:16673 0x8edb67 module_state::load_section(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:20217 0x8edc1e module_state::lazy_load(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:21063 0x8e98d9 tree_node /home/miuna/dev/gcc/gcc/cp/module.cc:10629 0x8ed02b module_state::read_cluster(unsigned int) /home/miuna/dev/gcc/gcc/cp/module.cc:16528 0x8edb67 module_state::load_section(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:20217 0x8edc1e module_state::lazy_load(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:21063 0x8e98d9 tree_node /home/miuna/dev/gcc/gcc/cp/module.cc:10629 0x8ed02b module_state::read_cluster(unsigned int) /home/miuna/dev/gcc/gcc/cp/module.cc:16528 0x8edb67 module_state::load_section(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:20217 0x8edc1e module_state::lazy_load(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:21063 0x8e98d9 tree_node /home/miuna/dev/gcc/gcc/cp/module.cc:10629 0x8ed02b module_state::read_cluster(unsigned int) /home/miuna/dev/gcc/gcc/cp/module.cc:16528 0x8edb67 module_state::load_section(unsigned int, binding_slot*) /home/miuna/dev/gcc/gcc/cp/module.cc:20217 Please submit a full bug report, with preprocessed source. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Preprocessed source stored into /tmp/ccPuVzMx.out file, please attach this to your bugreport.