Fix bugs in the range analysis for integers....

src/hydrogen.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1013 matching lines @@
              value->id(),
              Token::Name(op),
              other->id());
 
   if (op == Token::EQ || op == Token::EQ_STRICT) {
     // The same range has to apply for value.
     new_range = range->Copy();
   } else if (op == Token::LT || op == Token::LTE) {
     new_range = range->CopyClearLower();
     if (op == Token::LT) {
-      new_range->Add(-1);
+      new_range->AddConstant(-1);
     }
   } else if (op == Token::GT || op == Token::GTE) {
     new_range = range->CopyClearUpper();
     if (op == Token::GT) {
-      new_range->Add(1);
+      new_range->AddConstant(1);
     }
   }
 
   if (new_range != NULL && !new_range->IsMostGeneric()) {
     AddRange(value, new_range);
   }
 }
 
 
 void HRangeAnalysis::InferPhiRange(HPhi* phi) {
@@ skipping 4658 matching lines @@
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify();
   if (chunk_ != NULL) chunk_->Verify();
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal