1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr21030.c b/gcc/testsuite/gcc.c-torture/compile/pr21030.c
new file mode 100644
index 000000000..b7590c0ed
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr21030.c
@@ -0,0 +1,19 @@
+/* PR tree-optimization/21030
+   VRP used to create invalid ranges where VR->MIN is greater than
+   VR->MAX.  */
+
+void
+foo (int unit)
+{
+  int i;
+
+  for (i = 0; unit; i++, unit--)
+    {
+      if (i >= 0)
+	{
+	  int j = i;
+	  while (j)
+	    j--;
+	}
+    }
+}