Setup local var descriptors in kernel mode.

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 14a9b6342e531e446bb6d7de622b27ef62467593..b804cad548d08feb9216c1171c8760c027a4b0c9 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -13718,9 +13718,6 @@ RawLocalVarDescriptors* Code::GetLocalVarDescriptors() const {
   if (v.IsNull()) {
     ASSERT(!is_optimized());
     const Function& f = Function::Handle(function());
-    if (f.kernel_function() != NULL) {
-      return v.raw();
-    }
     ASSERT(!f.IsIrregexpFunction());  // Not yet implemented.
     Compiler::ComputeLocalVarDescriptors(*this);
   }