--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.c-torture/execute/pr84748.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,34 @@
+/* { dg-require-effective-target int128 } */
+
+typedef unsigned __int128 u128;
+
+int a, c, d;
+u128 b;
+
+unsigned long long g0, g1;
+
+void
+store (unsigned long long a0, unsigned long long a1)
+{
+  g0 = a0;
+  g1 = a1;
+}
+
+void
+foo (void)
+{
+  b += a;
+  c = d != 84347;
+  b /= c;
+  u128 x = b;
+  store (x >> 0, x >> 64);
+}
+
+int
+main (void)
+{
+  foo ();
+  if (g0 != 0 || g1 != 0)
+    __builtin_abort ();
+  return 0;
+}