[Bug jit/66783] No error-checking for creating structs containing opaque structs

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66783

--- Comment #3 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Root cause found: it's because of the langhook:
  LANG_HOOKS_GET_ALIAS_SET
which it looks like I need to implement for libgccjit.