1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-label-3.C b/gcc/testsuite/g++.dg/warn/Wunused-label-3.C
new file mode 100644
index 000000000..7479ca20c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-label-3.C
@@ -0,0 +1,51 @@
+// { dg-do compile }
+// { dg-options "-Wunused-label" }
+
+extern void f9();
+
+template<int i>
+void
+f1()
+{
+  if (i)
+    return;
+
+ l1: f9();				// { dg-warning "not used" }
+ l3: ; f9();				// { dg-warning "not used" }
+ l4: __attribute__ ((unused)) ; f9();
+}
+
+template
+void f1<0>();
+
+template<int i>
+void
+f2()
+{
+  if (i)
+    return;
+
+ l1: f9();				// { dg-warning "not used" }
+ l3: ; f9();				// { dg-warning "not used" }
+ l4: __attribute__ ((unused)) ; f9();
+}
+
+template
+void f2<1>();
+
+template<int i>
+void
+f3()
+{
+  void* lab;
+ l1: f9();
+ l2: __attribute__ ((unused)) ; f9();
+  lab = i ? &&l1 : &&l2;
+  goto *lab;
+}
+
+template
+void f3<0>();
+
+template
+void f3<1>();