--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr87074.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+/* { dg-options "-O3 -floop-unroll-and-jam --param unroll-jam-min-percent=0" } */
+long b;
+unsigned c[5];
+unsigned long long d = 3;
+int e, f, g;
+
+void h() {
+  for (; f < 11; f++) {
+    b = g;
+    for (e = 0; e < 5; e++) {
+      c[e] = e - b - (c[e] >> 5);
+      g = c[e];
+    }
+  }
+  if (c[0])
+    d = 0;
+}
+
+extern void abort(void);
+int main() {
+  h();
+  if (d != 0)
+    abort ();
+}