[Bug target/69706] internal compiler error: in extract_constrain_insn, at recog.c:2246

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69706

--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I'm leaning towards fixing both the ICE and the ABI bug.

OK, let's do that for GCC 6 then and document it, thanks.