--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/predict-14.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+void test(void) __attribute__ ((noreturn));
+
+int main(int argc, char **argv)
+{
+  switch (argc)
+    {
+    case 1:
+      test();
+    case 4:
+      test();
+    default:
+      test();
+    }
+
+  return 10;
+}
+
+/* { dg-final { scan-tree-dump-times "predicted to even probabilities" 4 "profile_estimate"} } */