https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58901
coypu <coypu at sdf dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |coypu at sdf dot org --- Comment #7 from coypu <coypu at sdf dot org> --- Created attachment 46884 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46884&action=edit matt's changes, synced by other matt, against trunk. Confirming as still occurring in gcc-trunk as of: xgcc (GCC) 10.0.0 20190907 (experimental) NetBSD has a local diff to avoid this crash. I attached it (updated for trunk) for reference. The commit message for it (by Matt Thomas): https://github.com/NetBSD/src/commit/e437e96750193b86d0464965661f616e011056fa "Fix a problem with reloading the inner reg of a subreg when it's a mode dependent address."