1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index 6f8bf68d951..3ff30663f08 100644
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -1145,7 +1145,7 @@ write_template_prefix (const tree node)
      So, for the example above, `Outer<int>::Inner' is represented as a
      substitution candidate by a TREE_LIST whose purpose is `Outer<int>'
      and whose value is `Outer<T>::Inner<U>'.  */
-  if (TYPE_P (context))
+  if (context && TYPE_P (context))
     substitution = build_tree_list (context, templ);
   else
     substitution = templ;