Remove bogus assert, follow-up for bug 604523. a=blocking beta 7

--HG--
extra : rebase_source : 66290385e5f6af23c970c33897c4755952b4bcce

js/src/jstracer.cpp

@@ -10210,11 +10210,6 @@ TraceRecorder::getThis(LIns*& this_ins)
         RETURN_ERROR("computeThis failed");
 
     /* thisv is a reference, so it'll see the newly computed |this|. */
-#ifdef DEBUG
-    JS_ASSERT(thisv.isObject());
-    JSObject *thisObj = &thisv.toObject();
-    JS_ASSERT(thisObj->getClass()->ext.innerObject);
-#endif
     this_ins = INS_CONSTOBJ(globalObj);
     set(&thisv, this_ins);
     return RECORD_CONTINUE;