during GIMPLE pass: vrp
/.../main.c: In function ‘get_root’:
/.../main.c:158:35: internal compiler error: Segmentation fault
158 | static implements_lib9p_srv_file *get_root(struct lib9p_srv_ctx *LM_UNUSED(ctx), struct lib9p_s LM_UNUSED(treename)) {
| ^~~~~~~~
Guess I'm filing a bug report :/