1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/attrib12.C b/gcc/testsuite/g++.dg/ext/attrib12.C
new file mode 100644
index 000000000..aea93781d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib12.C
@@ -0,0 +1,16 @@
+// PR c++/13791
+
+template <typename T> struct O {
+  struct __attribute__((packed)) I {
+    int i;
+    char c;
+  };
+
+  I* foo();
+};
+
+template <typename T>
+typename O<T>::I*
+O<T>::foo() { return 0; }
+
+template class O<int>;