1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index a8b2fd5..46f8963 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -11864,6 +11864,10 @@ obj_type_ref_class (tree ref)
 bool
 type_in_anonymous_namespace_p (const_tree t)
 {
+  /* TREE_PUBLIC of TYPE_STUB_DECL may not be properly set for
+     bulitin types; those have CONTEXT NULL.  */
+  if (!TYPE_CONTEXT (t))
+    return false;
   return (TYPE_STUB_DECL (t) && !TREE_PUBLIC (TYPE_STUB_DECL (t)));
 }