1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-1.C b/gcc/testsuite/g++.dg/warn/Wunused-1.C
new file mode 100644
index 00000000000..60ceb4f076d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-1.C
@@ -0,0 +1,15 @@
+// Test whether -Wunused handles empty classes the same as non-empty.
+// { dg-do compile }
+// { dg-options "-Wunused" }
+
+struct A {};
+struct B { char c; };
+
+void foo ()
+{
+  struct A a0, a1;
+  struct B b0, b1 = { 25 };
+
+  a0 = a1;	// { dg-bogus "value computed is not used" }
+  b0 = b1;
+}