Fix typo in unit test.

runtime/vm/utils_test.cc

 // Copyright (c) 2012, 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 "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
@@ skipping 107 matching lines @@
 
 
 UNIT_TEST_CASE(CountZeros) {
   EXPECT_EQ(0, Utils::CountTrailingZeros(0x1));
   EXPECT_EQ(kBitsPerWord - 1, Utils::CountLeadingZeros(0x1));
   EXPECT_EQ(1, Utils::CountTrailingZeros(0x2));
   EXPECT_EQ(kBitsPerWord - 2, Utils::CountLeadingZeros(0x2));
   EXPECT_EQ(0, Utils::CountTrailingZeros(0x3));
   EXPECT_EQ(kBitsPerWord - 2, Utils::CountLeadingZeros(0x3));
   EXPECT_EQ(2, Utils::CountTrailingZeros(0x4));
-  EXPECT_EQ(kBitsPerWord - 2, Utils::CountLeadingZeros(0x4));
+  EXPECT_EQ(kBitsPerWord - 3, Utils::CountLeadingZeros(0x4));
   EXPECT_EQ(0, Utils::CountTrailingZeros(kUwordMax));
   EXPECT_EQ(0, Utils::CountLeadingZeros(kUwordMax));
   static const uword kTopBit = static_cast<uword>(1) << (kBitsPerWord - 1);
   EXPECT_EQ(kBitsPerWord - 1, Utils::CountTrailingZeros(kTopBit));
   EXPECT_EQ(0, Utils::CountLeadingZeros(kTopBit));
 }
 
 
 UNIT_TEST_CASE(IsInt) {
   EXPECT(Utils::IsInt(8, 16));
@@ skipping 100 matching lines @@
 
 UNIT_TEST_CASE(DoublesBitEqual) {
   EXPECT(Utils::DoublesBitEqual(1.0, 1.0));
   EXPECT(!Utils::DoublesBitEqual(1.0, -1.0));
   EXPECT(Utils::DoublesBitEqual(0.0, 0.0));
   EXPECT(!Utils::DoublesBitEqual(0.0, -0.0));
   EXPECT(Utils::DoublesBitEqual(NAN, NAN));
 }
 
 }  // namespace dart