[Bug fortran/56674] [4.7/4.8/4.9 Regression] ICE in check_sym_interfaces

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56674

--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Slightly reduced test

MODULE realspace_grid_types
  PUBLIC :: realspace_grid_input_type
CONTAINS
  SUBROUTINE rs_grid_create_descriptor ( )
    TYPE(realspace_grid_input_type),
  END SUBROUTINE
END MODULE realspace_grid_types

pr56674_red.f90:5.35:

    TYPE(realspace_grid_input_type),
                                   1
Error: Derived type 'realspace_grid_input_type' at (1) is being used before it
is defined
f951: internal compiler error: Segmentation fault: 11