Add missing test.

Test/CXXException.cc

@@ -0,0 +1,23 @@
+
+extern "C" void throw_int()
+{
+	throw 12;
+}
+
+extern "C" void throw_id();
+extern "C" int id_catchall;
+
+
+extern "C" int catchall()
+{
+	try
+	{
+		throw_id();
+	}
+	catch(...)
+	{
+		id_catchall = 1;
+		throw;
+	}
+	__builtin_trap();
+}