Do not cache CodeStubInterfaceDescriptor on the isolate.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 6be8d65039f9d9599e87ea63fd33407a313bccbf..86f9d6bb84678fa5b70c90c8670267832c6915f9 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -3435,9 +3435,10 @@ HGraph::HGraph(CompilationInfo* info)
       inlined_functions_(5, info->zone()) {
   if (info->IsStub()) {
     HydrogenCodeStub* stub = info->code_stub();
-    CodeStubInterfaceDescriptor* descriptor = stub->GetInterfaceDescriptor();
-    start_environment_ = new(zone_) HEnvironment(
-        zone_, descriptor->GetEnvironmentParameterCount());
+    CodeStubInterfaceDescriptor descriptor;
+    stub->InitializeInterfaceDescriptor(&descriptor);
+    start_environment_ = new (zone_)
+        HEnvironment(zone_, descriptor.GetEnvironmentParameterCount());
   } else {
     TraceInlinedFunction(info->shared_info(), HSourcePosition::Unknown());
     start_environment_ =