Fix expectations of lowering tests.

test/compiler-unittests/simplified-operator-reducer-unittest.cc

 // Copyright 2014 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/compiler/js-graph.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/simplified-operator-reducer.h"
 #include "src/compiler/typer.h"
 #include "src/conversions.h"
 #include "test/compiler-unittests/graph-unittest.h"
@@ skipping 346 matching lines @@
 // ChangeTaggedToInt32
 
 
 TEST_F(SimplifiedOperatorReducerTest,
        ChangeTaggedToInt32WithChangeFloat64ToTagged) {
   Node* param0 = Parameter(0);
   Reduction reduction = Reduce(graph()->NewNode(
       simplified()->ChangeTaggedToInt32(),
       graph()->NewNode(simplified()->ChangeFloat64ToTagged(), param0)));
   ASSERT_TRUE(reduction.Changed());
-  EXPECT_THAT(reduction.replacement(), IsTruncateFloat64ToInt32(param0));
+  EXPECT_THAT(reduction.replacement(), IsChangeFloat64ToInt32(param0));
 }
 
 
 TEST_F(SimplifiedOperatorReducerTest,
        ChangeTaggedToInt32WithChangeInt32ToTagged) {
   Node* param0 = Parameter(0);
   Reduction reduction = Reduce(graph()->NewNode(
       simplified()->ChangeTaggedToInt32(),
       graph()->NewNode(simplified()->ChangeInt32ToTagged(), param0)));
   ASSERT_TRUE(reduction.Changed());
@@ skipping 33 matching lines @@
 // ChangeTaggedToUint32
 
 
 TEST_F(SimplifiedOperatorReducerTest,
        ChangeTaggedToUint32WithChangeFloat64ToTagged) {
   Node* param0 = Parameter(0);
   Reduction reduction = Reduce(graph()->NewNode(
       simplified()->ChangeTaggedToUint32(),
       graph()->NewNode(simplified()->ChangeFloat64ToTagged(), param0)));
   ASSERT_TRUE(reduction.Changed());
-  EXPECT_THAT(reduction.replacement(), IsTruncateFloat64ToInt32(param0));
+  EXPECT_THAT(reduction.replacement(), IsChangeFloat64ToUint32(param0));
 }
 
 
 TEST_F(SimplifiedOperatorReducerTest,
        ChangeTaggedToUint32WithChangeUint32ToTagged) {
   Node* param0 = Parameter(0);
   Reduction reduction = Reduce(graph()->NewNode(
       simplified()->ChangeTaggedToUint32(),
       graph()->NewNode(simplified()->ChangeUint32ToTagged(), param0)));
   ASSERT_TRUE(reduction.Changed());
@@ skipping 40 matching lines @@
         Reduce(graph()->NewNode(simplified()->ChangeUint32ToTagged(),
                                 Int32Constant(BitCast<int32_t>(n))));
     ASSERT_TRUE(reduction.Changed());
     EXPECT_THAT(reduction.replacement(), IsNumberConstant(FastUI2D(n)));
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8