https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881
--- Comment #59 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Julian Waters from comment #57) > Just a heads up, the minimal reproducer seems to be getting garbage movabsq > instructions emitted again with the first stage gcc in the bootstrap phase You probably need to adjust pic_32bit_operand predicate (called via x86_64_movabs_operand).