https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86270
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Known to work| |15.0 Status|ASSIGNED |RESOLVED Target Milestone|12.5 |15.0 Summary|[12/13/14/15 Regression] |[12/13/14 Regression] |Simple loop needs an extra |Simple loop needs an extra |register and an extra |register and an extra |instruction |instruction Known to fail| |11.5.0, 12.4.0, 13.3.0, | |14.2.0 --- Comment #19 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed on trunk. I don't plan to backport, so fixed.