Re: [C++ Patch/RFC] PR 70572 ("[4.9/5/6/7 Regression] ICE on code with decltype (auto) on x86_64-linux-gnu in digest_init_r")

[Paolo Carlini]

.. shall we fix this in gcc-6-branch too or not? It's just an ICE on 
invalid but we don't emit any diagnostic before the crash.

Thanks,
Paolo.