--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/unroll-4.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -funroll-all-loops -fdump-rtl-loop2_unroll-details -fdump-tree-cunrolli-details" } */
+
+extern void bar (int);
+
+int j;
+
+void test (void)
+{
+  #pragma GCC unroll 0
+  #pragma GCC ivdep
+  for (unsigned long i = 1; i <= 3; ++i)
+    bar(i);
+
+  #pragma GCC ivdep
+  #pragma GCC unroll 0
+  for (unsigned long i = 1; i <= j; ++i)
+    bar(i);
+
+  /* { dg-final { scan-tree-dump "Not unrolling loop .: user didn't want it unrolled completely" "cunrolli" } } */
+  /* { dg-final { scan-rtl-dump-times "Not unrolling loop, user didn't want it unrolled" 2 "loop2_unroll" } } */
+}