Use HType::JSReceiver instead of HType::JSObject in some places.

src/crankshaft/hydrogen-instructions.h

 // Copyright 2012 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.
 
 #ifndef V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 #define V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
@@ skipping 758 matching lines @@
  protected:
   // This function must be overridden for instructions with flag kUseGVN, to
   // compare the non-Operand parts of the instruction.
   virtual bool DataEquals(HValue* other) {
     UNREACHABLE();
     return false;
   }
 
   bool ToStringOrToNumberCanBeObserved() const {
     if (type().IsTaggedPrimitive()) return false;
-    if (type().IsJSObject()) return true;
+    if (type().IsJSReceiver()) return true;
     return !representation().IsSmiOrInteger32() && !representation().IsDouble();
   }
 
   virtual Representation RepresentationFromInputs() {
     return representation();
   }
   virtual Representation RepresentationFromUses();
   Representation RepresentationFromUseRequirements();
   bool HasNonSmiUse();
   virtual void UpdateRepresentation(Representation new_rep,
@@ skipping 2083 matching lines @@
   DECLARE_INSTRUCTION_FACTORY_P2(HCheckInstanceType, HValue*, Check);
 
   std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
 
   Representation RequiredInputRepresentation(int index) override {
     return Representation::Tagged();
   }
 
   HType CalculateInferredType() override {
     switch (check_) {
-      case IS_JS_RECEIVER: return HType::JSObject();
+      case IS_JS_RECEIVER: return HType::JSReceiver();
       case IS_JS_ARRAY: return HType::JSArray();
       case IS_JS_DATE: return HType::JSObject();
       case IS_STRING: return HType::String();
       case IS_INTERNALIZED_STRING: return HType::String();
     }
     UNREACHABLE();
     return HType::Tagged();
   }
 
   HValue* Canonicalize() override;
@@ skipping 4923 matching lines @@
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_