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-rw-r--r--gcc/fortran/module.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index 6c3455b..267809c 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -4219,9 +4219,23 @@ read_cleanup (pointer_info *p)
if (p->type == P_SYMBOL && p->u.rsym.state == USED && !p->u.rsym.referenced)
{
+ gfc_namespace *ns;
/* Add hidden symbols to the symtree. */
q = get_integer (p->u.rsym.ns);
- st = gfc_get_unique_symtree ((gfc_namespace *) q->u.pointer);
+ ns = (gfc_namespace *) q->u.pointer;
+
+ if (!p->u.rsym.sym->attr.vtype
+ && !p->u.rsym.sym->attr.vtab)
+ st = gfc_get_unique_symtree (ns);
+ else
+ {
+ /* There is no reason to use 'unique_symtrees' for vtabs or
+ vtypes - their name is fine for a symtree and reduces the
+ namespace pollution. */
+ st = gfc_find_symtree (ns->sym_root, p->u.rsym.sym->name);
+ if (!st)
+ st = gfc_new_symtree (&ns->sym_root, p->u.rsym.sym->name);
+ }
st->n.sym = p->u.rsym.sym;
st->n.sym->refs++;