1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/enum1.C b/gcc/testsuite/g++.dg/opt/enum1.C
new file mode 100644
index 000000000..6416b3f1b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/enum1.C
@@ -0,0 +1,30 @@
+// Verify that we don't confuse precision and mode for enums.
+// { dg-do run }
+// { dg-options "-O" }
+
+extern "C" void abort();
+
+enum E {
+  zero = 0, 
+  test = 0xbb
+};
+
+static bool foo(unsigned char *x)
+{
+  E e = static_cast<E>(*x);
+  switch (e)
+    {
+    case test:
+      return true;
+    default:
+      return false;
+    }
+}
+
+int main()
+{
+  unsigned char dummy = test;
+  if (! foo(&dummy))
+    abort ();
+  return 0;
+}