1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wunused-var-8.C b/gcc/testsuite/g++.dg/warn/Wunused-var-8.C
new file mode 100644
index 000000000..69fc6fb79
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wunused-var-8.C
@@ -0,0 +1,46 @@
+// { dg-do compile }
+// { dg-options "-Wunused" }
+
+template <int N>
+void
+f1 (void)
+{
+  extern int extvari;
+  extvari = 1;
+}
+
+int extvarj;
+
+template <int N>
+void
+f2 (void)
+{
+  extern int extvarj;
+  extvarj = 1;
+}
+
+static int extvark;
+
+template <int N>
+void
+f3 (void)
+{
+  extern int extvark;
+  extvark = 1;
+}
+
+template <int N>
+int
+f4 (void)
+{
+  return extvark;
+}
+
+void
+test ()
+{
+  f1<0> ();
+  f2<0> ();
+  f3<0> ();
+  (void) f4<0> ();
+}