Fix and re-enable test-api/InitializeAndDispose.

src/elements.cc

Index: src/elements.cc
diff --git a/src/elements.cc b/src/elements.cc
index 76b9b03bf62d51a0ff4a59127f809f8f441fef84..121dd7d25eb0661dbe77432eb8345c11874b60ff 100644
--- a/src/elements.cc
+++ b/src/elements.cc
@@ -120,7 +120,7 @@ ELEMENTS_LIST(ELEMENTS_TRAITS)
 #undef ELEMENTS_TRAITS
 
 
-ElementsAccessor** ElementsAccessor::elements_accessors_;
+ElementsAccessor** ElementsAccessor::elements_accessors_ = NULL;
 
 
 static bool HasKey(Handle<FixedArray> array, Handle<Object> key_handle) {
@@ -1735,6 +1735,7 @@ void ElementsAccessor::InitializeOncePerProcess() {
 
 
 void ElementsAccessor::TearDown() {
+  if (elements_accessors_ == NULL) return;
 #define ACCESSOR_DELETE(Class, Kind, Store) delete elements_accessors_[Kind];
   ELEMENTS_LIST(ACCESSOR_DELETE)
 #undef ACCESSOR_DELETE