[Bug target/80339] internal compiler error: in int_mode_for_mode, at stor-layout.c:406

[m...@sven-woop.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80339

--- Comment #2 from Sven Woop <m...@sven-woop.de> ---
Ok I isolated the issue, please see attached reproducer. The bug is quite
delicate. Removing some unused variables in the code, and further minor
adjustments easily let the bug disappear.