https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105507
--- Comment #1 from Christoph Reiter <reiter.christoph at gmail dot com> --- I've bisected it now: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=76f9c7f44fffb0b03266730b137313fe79f1c99e 76f9c7f44fffb0b03266730b137313fe79f1c99e is the first bad commit commit 76f9c7f44fffb0b03266730b137313fe79f1c99e Author: Bob Duff <d...@adacore.com> Date: Wed Feb 3 05:31:16 2021 -0500 [Ada] Variable-sized node types 167 files changed, 18305 insertions(+), 43812 deletions(-)