1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wswitch-2.C b/gcc/testsuite/g++.dg/warn/Wswitch-2.C
new file mode 100644
index 000000000..79ba4bdcb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wswitch-2.C
@@ -0,0 +1,31 @@
+/* Further -Wswitch tests.  */
+/* { dg-do compile } */
+/* { dg-options "-Wswitch" } */
+
+enum e { e1 = 0, e2 = 1, e3 = 1, e4 = 2 };
+
+int
+foo (enum e ei, int j)
+{
+  switch (ei)
+    {
+    case e1: return 1;
+    case e3: return 2;
+    case e4: return 3;
+    }	/* No warning here since e2 has the same value as e3.  */
+  switch (ei) /* { dg-warning "enumeration value 'e4' not handled in switch" "enum e4" } */
+    {
+    case e1: return 1;
+    case e2: return 2;
+    }
+  switch ((int) ei)
+    {
+    case e1: return 1;
+    }	/* No warning here since switch condition was cast to int.  */
+  switch ((enum e) j) /* { dg-warning "enumeration value 'e1' not handled in switch" "enum e1" } */
+    {
+    case e2: return 1;
+    case e4: return 2;
+    }
+  return 0;
+}