[Bug fortran/71703] ICE in wide_int_to_tree, at tree.c:1488

["gerhard dot steinmetz dot fortran at t-online dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71703

--- Comment #1 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---

Backtrace with gfortran-7-20160626 :
z2.f90:10:0:

    print *, same_type_as(x, y%a)

internal compiler error: in wide_int_to_tree, at tree.c:1487
0xca0093 wide_int_to_tree(tree_node*,
generic_wide_int<wide_int_ref_storage<false> > const&)
        ../../gcc/tree.c:1487
0xca0199 build_int_cst(tree_node*, long)
        ../../gcc/tree.c:1295
0x6eac8a gfc_conv_same_type_as
        ../../gcc/fortran/trans-intrinsic.c:6804
0x6f8429 gfc_conv_intrinsic_function(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-intrinsic.c:7814
0x6db0d4 gfc_conv_function_expr
        ../../gcc/fortran/trans-expr.c:6569
0x6e10ca gfc_conv_expr_reference(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:7718
0x6fdd2d gfc_trans_transfer(gfc_code*)
        ../../gcc/fortran/trans-io.c:2382
0x6ab6f7 trans_code
        ../../gcc/fortran/trans.c:1886
0x6fb90f build_dt
        ../../gcc/fortran/trans-io.c:1909
0x6ab6d7 trans_code
        ../../gcc/fortran/trans.c:1858
0x6cf0c9 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6171
0x6665e6 translate_all_program_units
        ../../gcc/fortran/parse.c:5843
0x6665e6 gfc_parse_file()
        ../../gcc/fortran/parse.c:6049
0x6a7e12 gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:201