ART: Enable more Clang warnings

Change-Id: Ie6aba02f4223b1de02530e1515c63505f37e184c
diff --git a/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc b/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
index d88d262..6a8aaf2 100644
--- a/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
@@ -27,7 +27,7 @@
 
 namespace art {
 
-extern "C" void artDeoptimize(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+extern "C" NO_RETURN void artDeoptimize(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   ScopedQuickEntrypointChecks sqec(self);
   self->SetException(Thread::GetDeoptimizationException());
   self->QuickDeliverException();