https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81021
--- Comment #32 from Matt Godbolt <matt at godbolt dot org> --- Thanks! One thing, I probably misunderstand this, but you've put 7.1 in "known to work" above: is this on purpose? 7.1 is the version the issue comes up in, I assume it'll be fixed in an upcoming 7.2 release?