Tracking rebase to jb-mr1-release

Change-Id: Ic2ae1a27682cc4152003a68d59068b2c5c5eb09b
diff --git a/src/compiler/driver/compiler_driver_test.cc b/src/compiler/driver/compiler_driver_test.cc
index dee448d..cbfc2ae 100644
--- a/src/compiler/driver/compiler_driver_test.cc
+++ b/src/compiler/driver/compiler_driver_test.cc
@@ -44,7 +44,8 @@
       LOCKS_EXCLUDED(Locks::mutator_lock_) {
     CompileAll(class_loader);
     Thread::Current()->TransitionFromSuspendedToRunnable();
-    runtime_->Start();
+    bool started = runtime_->Start();
+    CHECK(started);
     env_ = Thread::Current()->GetJniEnv();
     class_ = env_->FindClass(class_name);
     CHECK(class_ != NULL) << "Class not found: " << class_name;