--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr84659.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,19 @@
+/* PR rtl-optimization/84659 */
+/* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining -fno-split-wide-types -fno-strict-aliasing -fno-tree-dce" } */
+
+void
+jk (int **lq, int *k4, long long int qv, int od)
+{
+  while (**lq < 1)
+    {
+      int uo;
+
+      uo = ((od == 0) ? qv : *k4) != 1;
+      ++**lq;
+    }
+
+  for (;;)
+    {
+    }
+}