https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109137
--- Comment #1 from Sam James <sam at gentoo dot org> --- Created attachment 54667 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54667&action=edit h264_cabac.i With the attached h264_cebac.i: - gcc-11 -m32 -c h264_cabac.i -O3 -march=znver1 # works - gcc-12 -m32 -c h264_cabac.i -O3 -march=znver1 # errors-then-hangs - gcc-13 -m32 -c h264_cabac.i -O3 -march=znver1 # errors-then-hangs The .i is generated by GCC 12.