Rename IS_SPEC_OBJECT to IS_JS_RECEIVER in hydrogen.

src/crankshaft/hydrogen.cc

 // Copyright 2013 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/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 11516 matching lines @@
         HCompareObjectEqAndBranch* result =
             New<HCompareObjectEqAndBranch>(left, right);
         if (top_info()->is_tracking_positions()) {
           result->set_operand_position(zone(), 0, left_position);
           result->set_operand_position(zone(), 1, right_position);
         }
         return result;
       } else {
         BuildCheckHeapObject(operand_to_check);
         Add<HCheckInstanceType>(operand_to_check,
-                                HCheckInstanceType::IS_SPEC_OBJECT);
+                                HCheckInstanceType::IS_JS_RECEIVER);
         HCompareObjectEqAndBranch* result =
             New<HCompareObjectEqAndBranch>(left, right);
         return result;
       }
     } else {
       if (combined_type->IsClass()) {
         // TODO(bmeurer): This is an optimized version of an x < y, x > y,
         // x <= y or x >= y, where both x and y are spec objects with the
         // same map. The CompareIC collects this map for us. So if we know
         // that there's no @@toPrimitive on the map (including the prototype
@@ skipping 2071 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8