--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/uninit-pred-3_c.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-Wuninitialized -O2" } */
+
+int g;
+void bar();
+void blah(int);
+
+int foo (int n, int m, int r)
+{
+  int flag = 0;
+  int v;
+
+  if (n)
+    {
+      v = r;
+      flag = -1;
+    }
+
+  if (m)
+    g++;
+  else 
+    bar();
+
+  if (r > 0)
+    if (flag < 0)
+      blah(v); /* {dg-bogus "uninitialized" "bogus warning" } */
+  return 0;
+}