--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr59722.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,36 @@
+/* PR ipa/59722 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+
+extern void abrt (const char *, int) __attribute__((noreturn));
+void baz (int *, int *);
+
+static inline int
+bar (void)
+{
+  return 1;
+}
+
+static inline void
+foo (int *x, int y (void))
+{
+  while (1)
+    {
+      int a = 0;
+      if (*x)
+	{
+	  baz (x, &a);
+	  while (a && !y ())
+	    ;
+	  break;
+	}
+      abrt ("", 1);
+    }
+}
+
+void
+test (int x)
+{
+  foo (&x, bar);
+  foo (&x, bar);
+}