1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/defarg14.C b/gcc/testsuite/g++.dg/template/defarg14.C
new file mode 100644
index 000000000..1fe87e39d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/defarg14.C
@@ -0,0 +1,13 @@
+// PR c++/46129
+// The default argument for A<int>::B::operator() should not be instantiated
+
+template <class T>
+struct A {
+  struct B {
+    void operator () (const T& d_ = f(T()) ) { }
+  };
+};
+
+int main() {
+  A<int>::B b;
+}