Fix type feedback for name-keyed stores

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 15479371cb6f80e217309bd801f222add71b0637..7a6ee616b8061be2fa0e36eb1f1131342fdeb37f 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -542,6 +542,8 @@ class KeyedStoreIC : public StoreIC {
   class ExtraICStateKeyedAccessStoreMode
       : public BitField<KeyedAccessStoreMode, 2, 4> {};  // NOLINT
 
+  class IcCheckTypeField : public BitField<IcCheckType, 6, 1> {};
+
   static ExtraICState ComputeExtraICState(StrictMode flag,
                                           KeyedAccessStoreMode mode) {
     return StrictModeState::encode(flag) |
@@ -553,6 +555,10 @@ class KeyedStoreIC : public StoreIC {
     return ExtraICStateKeyedAccessStoreMode::decode(extra_state);
   }
 
+  static IcCheckType GetKeyType(ExtraICState extra_state) {
+    return IcCheckTypeField::decode(extra_state);
+  }
+
   KeyedStoreIC(FrameDepth depth, Isolate* isolate) : StoreIC(depth, isolate) {
     DCHECK(target()->is_keyed_store_stub());
   }