Add missing return after throw_from_native() and put object->class check in 
assertion

Reported-by: Vegard Nossum <vegard.nos...@gmail.com>
Signed-off-by: Tomek Grabiec <tgrab...@gmail.com>
---
 vm/jato.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/vm/jato.c b/vm/jato.c
index e28e808..c18ddd9 100644
--- a/vm/jato.c
+++ b/vm/jato.c
@@ -272,11 +272,14 @@ native_vmobject_clone(struct vm_object *object)
 static struct vm_object * __vm_native
 native_vmobject_getclass(struct vm_object *object)
 {
-       if (!object || !object->class) {
+       if (!object) {
                signal_new_exception(vm_java_lang_NullPointerException, NULL);
                throw_from_native(sizeof object);
+               return NULL;
        }
 
+       assert(object->class);
+
        return object->class->object;
 }
 
-- 
1.6.0.6


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