Use HType::NonPrimitive() for unclassified HeapObjects (i.e. Maps).

src/hydrogen-instructions.cc

 // 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.
 
 #include "v8.h"
 
 #include "double.h"
 #include "factory.h"
 #include "hydrogen-infer-representation.h"
 #include "property-details-inl.h"
@@ skipping 323 matching lines @@
   } else if (value->IsHeapNumber()) {
     result = HType::HeapNumber();
   } else if (value->IsString()) {
     result = HType::String();
   } else if (value->IsBoolean()) {
     result = HType::Boolean();
   } else if (value->IsJSObject()) {
     result = HType::JSObject();
   } else if (value->IsJSArray()) {
     result = HType::JSArray();
+  } else if (value->IsHeapObject()) {
+    result = HType::NonPrimitive();
   }
   return result;
 }
 
 
 bool HValue::IsDefinedAfter(HBasicBlock* other) const {
   return block()->block_id() > other->block_id();
 }
 
 
@@ skipping 4428 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal