diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6c1fc2dbbd3..55a9720825f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/59949
+	* g++.dg/cpp0x/lambda/lambda-defarg7.C: New.
+
 2017-09-13  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	* gcc.target/aarch64/vmov_n_1.c: Update dup scan-assembler.
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg7.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg7.C
new file mode 100644
index 00000000000..c76b7fdb461
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg7.C
@@ -0,0 +1,16 @@
+// PR c++/59949
+// { dg-do assemble { target c++11 } }
+
+struct A
+{
+  template<typename T> A(T) { }
+};
+
+template<typename T>
+void
+stuff(A = []{ }) { }
+
+int main() {
+  stuff<int>();
+  stuff<unsigned int>();
+}