[CVE-2017-11801] Out of bound read on deferred stub - Individual

Disabling the creationg of deferred stubs. For precise capturing we can't get the information about symbol capturing for functions in deferred stubs with the current design. We will have to rethink the right design for this feature.

lib/Runtime/Base/FunctionBody.cpp

@@ -1912,8 +1912,9 @@ namespace Js
     {
         Assert(pnodeFnc->nop == knopFncDecl);
 
-        Recycler *recycler = GetScriptContext()->GetRecycler();
-        this->SetDeferredStubs(BuildDeferredStubTree(pnodeFnc, recycler));
+        // TODO: Disabling the creation of deferred stubs for now. We need to rethink the design again as the current behavior
+        // is not usable with precise capturing.
+        this->SetDeferredStubs(nullptr);
     }
 
     FunctionInfoArray ParseableFunctionInfo::GetNestedFuncArray()