1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-label-1.C b/gcc/testsuite/g++.dg/warn/Wunused-label-1.C
new file mode 100644
index 000000000..96f49b321
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-label-1.C
@@ -0,0 +1,28 @@
+// { dg-do compile }
+// { dg-options "-Wunused-label" }
+
+extern void f9();
+
+void
+f1()
+{
+ l1: f9();				// { dg-warning "not used" }
+ l3: ; f9();				// { dg-warning "not used" }
+ l4: __attribute__ ((unused)) ; f9();
+}
+
+void
+f2()
+{
+ label: __attribute ((unused)) ;
+}
+
+void
+f3()
+{
+  // The next line would be OK in C but is a syntax error in C++.
+ l2: __attribute__ ((unused)) f9();	// { dg-error "expected" }
+		// We still get an unused label warning--this is
+		// optional and can be removed if it ever changes.
+		// { dg-warning "not used" "expected" { target *-*-* } 24 }
+}