Avoid jumping to the runtime for ForInFilter

src/code-stub-assembler.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-stub-assembler.h"
 #include "src/code-factory.h"
 #include "src/frames-inl.h"
 #include "src/frames.h"
 #include "src/ic/stub-cache.h"
 
@@ skipping 2400 matching lines @@
   // Ensure receiver is JSReceiver, otherwise bailout.
   Label if_objectisnotsmi(this);
   Branch(WordIsSmi(receiver), if_bailout, &if_objectisnotsmi);
   Bind(&if_objectisnotsmi);
 
   Node* map = LoadMap(receiver);
   Node* instance_type = LoadMapInstanceType(map);
   {
     Label if_objectisreceiver(this);
     STATIC_ASSERT(LAST_JS_RECEIVER_TYPE == LAST_TYPE);
-    Branch(Int32GreaterThanOrEqual(instance_type,
-                                   Int32Constant(FIRST_JS_RECEIVER_TYPE)),
-           &if_objectisreceiver, if_bailout);
+    STATIC_ASSERT(FIRST_JS_RECEIVER_TYPE == JS_PROXY_TYPE);
+    Branch(
+        Int32GreaterThan(instance_type, Int32Constant(FIRST_JS_RECEIVER_TYPE)),
+        &if_objectisreceiver, if_bailout);
     Bind(&if_objectisreceiver);
   }
 
   Variable var_index(this, MachineRepresentation::kWord32);
 
   Label if_keyisindex(this), if_iskeyunique(this);
   TryToName(key, &if_keyisindex, &var_index, &if_iskeyunique, if_bailout);
 
   Bind(&if_iskeyunique);
   {
@@ skipping 625 matching lines @@
   }
   Bind(&miss);
   {
     TailCallRuntime(Runtime::kLoadGlobalIC_Miss, p->context, p->slot,
                     p->vector);
   }
 }
 
 }  // namespace internal
 }  // namespace v8