1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 12a46a9..acbec8d 100644
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -4022,6 +4022,22 @@ gfc_is_coindexed (gfc_expr *e)
 }
 
 
+bool
+gfc_get_corank (gfc_expr *e)
+{
+  int corank;
+  gfc_ref *ref;
+  corank = e->symtree->n.sym->as ? e->symtree->n.sym->as->corank : 0;
+  for (ref = e->ref; ref; ref = ref->next)
+    {
+      if (ref->type == REF_ARRAY)
+	corank = ref->u.ar.as->corank;
+      gcc_assert (ref->type != REF_SUBSTRING);
+    }
+  return corank;
+}
+
+
 /* Check whether the expression has an ultimate allocatable component.
    Being itself allocatable does not count.  */
 bool