[turbofan] Properly type field access to stable heap object maps.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 6eaff2edebba2189a07497a0df8c8f602aa31705..86b5ae5fa5ddea2a7f581ee771d4c7da854b54f4 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -1097,7 +1097,11 @@ Handle<Code> Pipeline::GenerateCode() {
   base::SmartPointer<Typer> typer;
   if (info()->is_typing_enabled()) {
     // Type the graph.
-    typer.Reset(new Typer(isolate(), data.graph(), info()->function_type()));
+    typer.Reset(new Typer(isolate(), data.graph(),
+                          info()->is_deoptimization_enabled()
+                              ? Typer::kDeoptimizationEnabled
+                              : Typer::kNoFlags,
+                          info()->dependencies(), info()->function_type()));
     Run<TyperPhase>(typer.get());
     RunPrintAndVerify("Typed");
   }