diff options
Diffstat (limited to 'gcc/fortran/trans-types.c')
| -rw-r--r-- | gcc/fortran/trans-types.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/fortran/trans-types.c b/gcc/fortran/trans-types.c index 35a39c5..8394bf9 100644 --- a/gcc/fortran/trans-types.c +++ b/gcc/fortran/trans-types.c @@ -2338,16 +2338,18 @@ gfc_get_derived_type (gfc_symbol * derived) tree canonical = NULL_TREE; tree *chain = NULL; bool got_canonical = false; + bool unlimited_entity = false; gfc_component *c; gfc_dt_list *dt; gfc_namespace *ns; + if (derived->attr.unlimited_polymorphic) + return ptr_type_node; + if (derived && derived->attr.flavor == FL_PROCEDURE && derived->attr.generic) derived = gfc_find_dt_in_generic (derived); - gcc_assert (derived && derived->attr.flavor == FL_DERIVED); - /* See if it's one of the iso_c_binding derived types. */ if (derived->attr.is_iso_c == 1) { @@ -2431,6 +2433,12 @@ gfc_get_derived_type (gfc_symbol * derived) derived->backend_decl = typenode; } + if (derived->components + && derived->components->ts.type == BT_DERIVED + && strcmp (derived->components->name, "_data") == 0 + && derived->components->ts.u.derived->attr.unlimited_polymorphic) + unlimited_entity = true; + /* Go through the derived type components, building them as necessary. The reason for doing this now is that it is possible to recurse back to this derived type through a @@ -2511,14 +2519,16 @@ gfc_get_derived_type (gfc_symbol * derived) !c->attr.target); } else if ((c->attr.pointer || c->attr.allocatable) - && !c->attr.proc_pointer) + && !c->attr.proc_pointer + && !(unlimited_entity && c == derived->components)) field_type = build_pointer_type (field_type); if (c->attr.pointer) field_type = gfc_nonrestricted_type (field_type); /* vtype fields can point to different types to the base type. */ - if (c->ts.type == BT_DERIVED && c->ts.u.derived->attr.vtype) + if (c->ts.type == BT_DERIVED + && c->ts.u.derived && c->ts.u.derived->attr.vtype) field_type = build_pointer_type_for_mode (TREE_TYPE (field_type), ptr_mode, true); |