1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/fold3.C b/gcc/testsuite/g++.dg/opt/fold3.C
new file mode 100644
index 000000000..87a36b9ad
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/fold3.C
@@ -0,0 +1,21 @@
+// PR middle-end/15069
+// { dg-do run }
+// { dg-options "-O2" }
+
+extern "C" void abort (void);
+
+typedef enum {
+  FOUR = 4,
+  FIVE = 5
+} direction_t;
+
+int main ()
+{
+  direction_t four = FOUR;
+  int flags = (four & 4L) ? (32L | 128L) : 0;
+  flags &= 32L;
+
+  if (flags == 0)
+    abort ();
+}
+