https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83256
--- Comment #2 from Peter Maydell <peter.maydell at linaro dot org> --- Created attachment 44817 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44817&action=edit repro for similar bug, apparently broken up to 8.3 but fixed in trunk?
