[Patch,committed,Fortran] PR91586 Fix ICE on invalid code with CLASS

[Tobias Burnus]

Re-instate error message which got by dereferrencing a NULL pointer.

Commited as r277153 to the trunk.
Committed as r277154 to the GCC 9 branch (as it was a 9/10 regression).

Thanks,

Tobias

-------------- next part --------------
A non-text attachment was scrubbed...
Name: committed-trunk.diff
Type: text/x-patch
Size: 2528 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20191018/7ceae9a4/attachment.bin>