https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81572
--- Comment #3 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- I am working on this PR. The patch will be ready today or tomorrow. The problem is that the move insn has one alternative with early clobber and this move insn is processed on a fast path which ignores that other alternatives might have no early clobbers.
