Fixing test case from r9469.

test/cctest/test-threads.cc

Index: test/cctest/test-threads.cc
diff --git a/test/cctest/test-threads.cc b/test/cctest/test-threads.cc
index e1a48ae53f9a2e5536dd8d986edb9bfaae5f14f3..713d1e842509f919781322e0b09cf8c8e727ecac 100644
--- a/test/cctest/test-threads.cc
+++ b/test/cctest/test-threads.cc
@@ -63,7 +63,7 @@ enum Turn {
 static Turn turn = FILL_CACHE;
 
 
-class ThreadA: public v8::internal::Thread {
+class ThreadA : public v8::internal::Thread {
  public:
   ThreadA() : Thread("ThreadA") { }
   void Run() {
@@ -99,7 +99,7 @@ class ThreadA: public v8::internal::Thread {
 };
 
 
-class ThreadB: public v8::internal::Thread {
+class ThreadB : public v8::internal::Thread {
  public:
   ThreadB() : Thread("ThreadB") { }
   void Run() {
@@ -190,3 +190,19 @@ TEST(ThreadIdValidation) {
     delete threads[i];
   }
 }
+
+
+class ThreadC : public v8::internal::Thread {
+ public:
+  ThreadC() : Thread("ThreadC") { }
+  void Run() {
+    Join();
+  }
+};
+
+
+TEST(ThreadJoinSelf) {
+  ThreadC thread;
+  thread.Start();
+  thread.Join();
+}