https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91111
ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |aarch64 Status|UNCONFIRMED |NEW Known to work| |10.0, 9.1.0 Keywords| |wrong-code Last reconfirmed| |2019-07-08 CC| |ktkachov at gcc dot gnu.org Ever confirmed|0 |1 Known to fail| |6.5.0, 7.4.1, 8.3.1 --- Comment #1 from ktkachov at gcc dot gnu.org --- Hmm, I see this using x0 properly on GCC 9.1 and trunk but GCC 8 and earlier use x1