1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/error6.C b/gcc/testsuite/g++.dg/other/error6.C
new file mode 100644
index 00000000000..9b403c7207b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/error6.C
@@ -0,0 +1,19 @@
+// { dg-do compile }
+// Make sure we emit a decent error message when trying to mangle an
+//  expression not supported by the C++ ABI due to a defect.
+
+template <int N>
+struct A {};
+
+struct B
+{
+  static int foo(void);
+};
+
+template <class T>
+A<sizeof(T::foo())> func(void);
+
+int main()
+{
+  func<B>();  // { dg-error "sorry, unimplemented" }
+}