1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp11.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp11.c
new file mode 100644
index 00000000000..b9e5fca71f9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp11.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-vrp" } */
+
+foo (int k, int j, int z)
+{
+  if (k > z)
+    {
+      if (j > k)
+	{
+	  /* We should fold this to if (1).  */
+	  if (j > z)
+	    return j;
+	}
+    }
+
+  return j;
+}
+
+/* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp" } } */
+/* { dg-final { cleanup-tree-dump "vrp" } } */