1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wenum-compare-1.c b/gcc/testsuite/gcc.dg/Wenum-compare-1.c
new file mode 100644
index 00000000000..dd321e0f643
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wenum-compare-1.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-Wenum-compare" } */
+enum E1 { A, B, C };
+enum E2 { D, E, F };
+extern void f2 ();
+void
+f1 ()
+{
+  int a = A;
+  int d = D;
+  enum E1 e1 = A;
+  enum E2 e2 = D;
+  if (A > D)	/* { dg-warning "comparison between .enum E1. and .enum E2." } */
+    f2 ();
+  if (e1 > e2)  /* { dg-warning "comparison between .enum E1. and .enum E2." } */
+    f2 ();
+  if (e1 > e2 + 1)
+    f2 ();
+  if (A > 0)
+    f2 ();
+  if (e1 > 0)
+    f2 ();
+  if (A + D > 0)
+    f2 ();
+  if (e1 > 0)
+    f2 ();
+  if (A + D > 0)
+    f2 ();
+  if ((int) A > D)
+    f2 ();
+  if ((int) e1 > e2)
+    f2 ();
+}