https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102027
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Marek Polacek from comment #0) > We have an ABI break. Discovered by > Running > /root/rpmbuild/BUILD/gcc-11.2.1-20210728/gcc/testsuite/gcc.dg/compat/struct- > layout-1.exp ... > FAIL: tmpdir-gcc.dg-struct-layout-1/t025 c_compat_x_tst.o-c_compat_y_alt.o > execute > FAIL: tmpdir-gcc.dg-struct-layout-1/t025 c_compat_x_alt.o-c_compat_y_tst.o > execute > > Started with r11-263. Strange, changes in the referred revision do not touch any of the ABI-definning functions.