--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr22230.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,21 @@
+/* { dg-do run } */
+/* { dg-options "-O1 -ftree-vrp" } */
+
+/* PR tree-optimization/22230
+
+   The meet of the ranges in "i*i" was not computed correctly, leading
+   gcc to believe that a was equal to 0 after the loop.  */
+
+extern void abort (void) __attribute__((noreturn));
+
+int main (void)
+{
+  long a, i;
+
+  for (i = 0; i < 5; i++)
+    a = i * i;
+  if (a != 16)
+    abort ();
+  return 0;
+}
+