@@ -9279,6 +9279,10 @@ apply_deduced_return_type (tree fco, tree return_type)
if (TREE_TYPE (result) == return_type)
return;
+ if (!processing_template_decl && !VOID_TYPE_P (return_type)
+ && !complete_type_or_else (return_type, NULL_TREE))
+ return;
+
/* We already have a DECL_RESULT from start_preparsed_function.
Now we need to redo the work it and allocate_struct_function
did to reflect the new type. */
@@ -9294,8 +9298,6 @@ apply_deduced_return_type (tree fco, tree return_type)
if (!processing_template_decl)
{
- if (!VOID_TYPE_P (TREE_TYPE (result)))
- complete_type_or_else (TREE_TYPE (result), NULL_TREE);
bool aggr = aggregate_value_p (result, fco);
#ifdef PCC_STATIC_STRUCT_RETURN
cfun->returns_pcc_struct = aggr;
new file mode 100644
@@ -0,0 +1,15 @@
+// PR c++/69223
+// { dg-do compile { target c++11 } }
+
+template <class T> struct A
+{
+ T x[20];
+};
+
+int main()
+{
+ auto l = [](const A<int>& i){ return i; };
+ A<int> a;
+
+ l(a);
+}