1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wswitch-1.C b/gcc/testsuite/g++.dg/warn/Wswitch-1.C
new file mode 100644
index 000000000..1da7180ec
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wswitch-1.C
@@ -0,0 +1,63 @@
+/* PR c/4475, PR c++/3780 */
+/* { dg-do compile } */
+/* { dg-options "-Wswitch" } */
+
+enum e { e1, e2 };
+
+int
+foo (int i, int j, enum e ei, enum e ej, enum e ek, enum e el,
+     enum e em, enum e en, enum e eo, enum e ep)
+{
+  switch (i)
+    {
+    case 1: return 1;
+    case 2: return 2;
+    }
+  switch (j)
+    {
+    case 3: return 4;
+    case 4: return 3;
+    default: break;
+    }
+  switch (ei) /* { dg-warning "enumeration value 'e1' not handled in switch" "enum e1" } */
+    { /* { dg-warning "enumeration value 'e2' not handled in switch" "enum e2" { target *-*-* } 22 } */
+    }
+  switch (ej)
+    {
+    default: break;
+    }
+  switch (ek) /* { dg-warning "enumeration value 'e2' not handled in switch" "enum e2" } */
+    {
+    case e1: return 1;
+    }
+  switch (el)
+    {
+    case e1: return 1;
+    default: break;
+    }
+  switch (em)
+    {
+    case e1: return 1;
+    case e2: return 2;
+    }
+  switch (en)
+    {
+    case e1: return 1;
+    case e2: return 2;
+    default: break;
+    }
+  switch (eo)
+    {
+    case e1: return 1;
+    case e2: return 2;
+    case 3: return 3; /* { dg-warning "case value" } */
+    }
+  switch (ep)
+    {
+    case e1: return 1;
+    case e2: return 2;
+    case 3: return 3; /* { dg-warning "case value" } */
+    default: break;
+    }
+  return 0;
+}