[Bug fortran/59016] f951: internal compiler error: Segmentation fault

[drikosev at otenet dot gr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59016

--- Comment #21 from drikosev at otenet dot gr ---
Created attachment 35232
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35232&action=edit
cleanup if a declaration type spec is erroneous

Finally, I've sent for review to the recommended recipients the attached patch,
which is suitable for gcc5.