1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index ad39637c8b7..1466c4b4db8 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -9234,6 +9234,28 @@ extend_ref_init_temps (tree decl, tree init, vec<tree, va_gc> **cleanups)
   return init;
 }
 
+/* Returns true iff an initializer for TYPE could contain temporaries that
+   need to be extended because they are bound to references or
+   std::initializer_list.  */
+
+bool
+type_has_extended_temps (tree type)
+{
+  type = strip_array_types (type);
+  if (TREE_CODE (type) == REFERENCE_TYPE)
+    return true;
+  if (CLASS_TYPE_P (type))
+    {
+      if (is_std_init_list (type))
+	return true;
+      for (tree f = next_initializable_field (TYPE_FIELDS (type));
+	   f; f = next_initializable_field (DECL_CHAIN (f)))
+	if (type_has_extended_temps (TREE_TYPE (f)))
+	  return true;
+    }
+  return false;
+}
+
 /* Returns true iff TYPE is some variant of std::initializer_list.  */
 
 bool