https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105098
--- Comment #1 from Azat <a3at.mail at gmail dot com> --- Created attachment 52712 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52712&action=edit reduced Here is reduced file, that had been created with the following test for creduce: #!/usr/bin/env bash # NOTE: due to [1], you need to set CWD to the directory where you have libcxx-tuple.ii # # [1]: https://github.com/csmith-project/creduce/issues/195 # NOTE: that we need only first line to avoid some syntax errors and similar things g++ -std=gnu++20 -c -o /dev/null -nostdinc++ libcxx-tuple.ii |& head -1 | fgrep 'internal compiler error: Segmentation fault signal terminated program cc1plus'