--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr81019.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,27 @@
+/* PR rtl-optimization/81019 */
+/* { dg-do run } */
+/* { dg-options "-O -fno-tree-ccp" } */
+
+unsigned long long __attribute__((noinline, noclone))
+foo (unsigned char a, unsigned short b, unsigned c, unsigned long long d,
+     unsigned char e, unsigned short f, unsigned g, unsigned long long h)
+{
+  g = e;
+  c &= 0 < d;
+  b *= d;
+  g ^= -1;
+  g &= 1;
+  c |= 1;
+  a -= 0 < g;
+  g >>= 1;
+  f = b | (f >> b);
+  return a + c + d + f + g + h;
+}
+
+int
+main (void)
+{
+  if (foo (0, 0, 0, 0, 0, 0, 0, 0) != 0x100)
+    __builtin_abort ();
+  return 0;
+}