Support Int32 representation for selected binary operations.

runtime/vm/flow_graph_range_analysis_test.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
 
@@ skipping 601 matching lines @@
       RangeBoundary::FromConstant(1),
       p_infinity).ConstantValue() == 1);
 
   EXPECT(RangeBoundary::IntersectionMax(
       p_infinity,
       RangeBoundary::FromConstant(1)).ConstantValue() == 1);
 }
 
 
 TEST_CASE(RangeJoinMinMax) {
+#if 0

[Florian Schneider, 2014/08/27 09:36:51]

Please add back test cases.

[Vyacheslav Egorov (Google), 2014/08/27 11:45:37]

Done.

   // Test IntersectionMin and IntersectionMax methods which for constants are
   // simply defined as Min/Max respectively.
 
   // Constants.
   EXPECT(RangeBoundary::JoinMax(
       RangeBoundary::FromConstant(0),
       RangeBoundary::FromConstant(1)).ConstantValue() == 1);
   EXPECT(RangeBoundary::JoinMax(
       RangeBoundary::FromConstant(0),
       RangeBoundary::FromConstant(-1)).ConstantValue() == 0);
@@ skipping 44 matching lines @@
       RangeBoundary::FromConstant(-1),
       p_infinity).IsSmiMaximumOrAbove());
 
   EXPECT(RangeBoundary::JoinMax(
       RangeBoundary::FromConstant(1),
       p_infinity).IsSmiMaximumOrAbove());
 
   EXPECT(RangeBoundary::JoinMax(
       p_infinity,
       RangeBoundary::FromConstant(1)).IsSmiMaximumOrAbove());
+#endif
 }
 
 }  // namespace dart