https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93221
--- Comment #6 from Joel Hutton <joel.hutton at arm dot com> --- The regression seems to be introduced by this commit: commit 11b8091fb33c894cea20702d3e85389723987910 Author: Eric Botcazou <ebotca...@adacore.com> Date: Wed Dec 18 23:03:23 2019 +0000 * ira.c (ira): Use simple LRA algorithm when not optimizing. From-SVN: r279550