--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/projects/compiler-rt/test/fuzzer/TimeoutTest.cpp	Fri Feb 16 21:02:11 2018 +0900
@@ -0,0 +1,26 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Simple test for a fuzzer. The fuzzer must find the string "Hi!".
+#include <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <iostream>
+
+static volatile int Sink;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Size > 0 && Data[0] == 'H') {
+    Sink = 1;
+    if (Size > 1 && Data[1] == 'i') {
+      Sink = 2;
+      if (Size > 2 && Data[2] == '!') {
+        Sink = 2;
+        while (Sink)
+          ;
+      }
+    }
+  }
+  return 0;
+}
+