1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 11789673115..972b290c987 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -2672,6 +2672,10 @@ gfc_check_move_alloc (gfc_expr *from, gfc_expr *to)
       return FAILURE;
     }
 
+  /* CLASS arguments: Make sure the vtab is present.  */
+  if (to->ts.type == BT_CLASS)
+    gfc_find_derived_vtab (from->ts.u.derived);
+
   return SUCCESS;
 }