diff options
Diffstat (limited to 'gcc/fortran/interface.c')
| -rw-r--r-- | gcc/fortran/interface.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c index b242d07..717f3b7 100644 --- a/gcc/fortran/interface.c +++ b/gcc/fortran/interface.c @@ -407,7 +407,17 @@ gfc_compare_derived_types (gfc_symbol *derived1, gfc_symbol *derived2) if (dt1->dimension && gfc_compare_array_spec (dt1->as, dt2->as) == 0) return 0; - if (gfc_compare_types (&dt1->ts, &dt2->ts) == 0) + /* Make sure that link lists do not put this function in an + endless loop! */ + if (!(dt1->ts.type == BT_DERIVED && derived1 == dt1->ts.derived) + && !(dt1->ts.type == BT_DERIVED && derived1 == dt1->ts.derived) + && gfc_compare_types (&dt1->ts, &dt2->ts) == 0) + return 0; + + else if (dt1->ts.type != BT_DERIVED + || derived1 != dt1->ts.derived + || dt2->ts.type != BT_DERIVED + || derived2 != dt2->ts.derived) return 0; dt1 = dt1->next; |