Change our 'is int' check to use Math.floor instead of a smi check.

tests/co19/co19-dart2js.status

 # 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.
 
 [ $compiler == dart2js ]
 Language/11_Statements/05_For_A01_t13: Crash
 Language/03_Overview/03_Overview_A01_t02: Crash
 Language/07_Classes/5_Constructors/2_Factories_A01_t01: Crash
 
 
@@ skipping 471 matching lines @@
 # Rename "BadNumberFormatException" to "FormatException"
 # TODO(rnystrom): These can be enabled when
 # http://code.google.com/p/co19/issues/detail?id=167 is fixed.
 LibTest/core/double/toInt_A01_t03: Fail
 LibTest/core/double/toInt_A01_t04: Fail
 LibTest/core/Math/parseInt_A02_t01: Fail
 LibTest/core/Math/parseDouble_A02_t01: Fail
 
 # Slow tests that needs extra time to finish.
 LibTest/core/List/sort_A01_t06: Slow, Pass
+LibTest/core/Queue/addLast_A01_t01: Slow, Pass
 
 # These test the Clock class which has been removed.
 # issue co19 - 173
 LibTest/core/Clock/frequency_A01_t01: Fail, OK
 LibTest/core/Clock/now_A01_t01: Fail, OK
 
 # Tests that fail because they use the legacy try-catch syntax.
 # See co19 issue 184.
 Language/03_Overview/1_Scoping_A02_t30: Fail, OK
 Language/03_Overview/2_Privacy_A01_t08: Fail, OK
@@ skipping 334 matching lines @@
 
 # The following tests use the deprecated Date interface.
 # Issue co19 - 125
 LibTest/core/Date/toString_A02_t01: Fail, OK
 LibTest/core/Date/isUtc_A01_t01: Fail, OK
 
 [ $compiler == dart2js && $unchecked ]
 LibTest/core/Date/Date.fromMillisecondsSinceEpoch_A03_t01: Fail
 
 [ $compiler == dart2js && $checked ]
-
-# The following tests fail on int checks.
-# Issue 3720
-Language/10_Expressions/03_Numbers_A05_t01: Fail
-Language/10_Expressions/16_Assignment/1_Compound_Assignment_A04_t04: Fail
-Language/11_Statements/05_For/2_For_in_A01_t01: Fail
-LibTest/core/Date/Date.fromString_A01_t01: Fail
-LibTest/core/Date/Date.fromString_A01_t02: Fail
-LibTest/core/Date/Date.now_A01_t01: Fail
-LibTest/core/Date/Date.now_A01_t02: Fail
-LibTest/core/Date/Date.now_A01_t03: Fail
-LibTest/core/Date/Date_A01_t04: Fail
-LibTest/core/Date/Date_A01_t05: Fail
-LibTest/core/Date/add_A01_t01: Fail
-LibTest/core/Date/add_A02_t01: Fail
-LibTest/core/Date/add_A03_t01: Fail
-LibTest/core/Date/compareTo_A01_t01: Fail
-LibTest/core/Date/compareTo_A01_t02: Fail
-LibTest/core/Date/day_A01_t01: Fail
-LibTest/core/Date/difference_A01_t01: Fail
-LibTest/core/Date/hour_A01_t01: Fail
-LibTest/core/Date/millisecond_A01_t01: Fail
-LibTest/core/Date/millisecondsSinceEpoch_A01_t01: Fail
-LibTest/core/Date/minute_A01_t01: Fail
-LibTest/core/Date/month_A01_t01: Fail
-LibTest/core/Date/operator_GE_A01_t01: Fail
-LibTest/core/Date/operator_GT_A01_t01: Fail
-LibTest/core/Date/operator_LE_A01_t01: Fail
-LibTest/core/Date/operator_LT_A01_t01: Fail
-LibTest/core/Date/operator_equality_A01_t01: Fail
-LibTest/core/Date/second_A01_t01: Fail
-LibTest/core/Date/subtract_A01_t01: Fail
-LibTest/core/Date/subtract_A02_t01: Fail
-LibTest/core/Date/subtract_A03_t01: Fail
-LibTest/core/Date/timeZoneName_A01_t01: Fail
-LibTest/core/Date/toLocal_A01_t01: Fail
-LibTest/core/Date/toString_A01_t01: Fail
-LibTest/core/Date/toUtc_A01_t01: Fail
-LibTest/core/Date/weekday_A01_t01: Fail
-LibTest/core/Duration/Duration_A01_t01: Fail
-LibTest/core/Duration/Duration_A02_t01: Fail
-LibTest/core/Duration/inDays_A01_t01: Fail
-LibTest/core/Duration/inHours_A01_t01: Fail
-LibTest/core/Duration/inMilliseconds_A01_t01: Fail
-LibTest/core/Duration/inMinutes_A01_t01: Fail
-LibTest/core/Duration/inSeconds_A01_t01: Fail
-LibTest/core/Stopwatch/elapsedInMs_A01_t01: Fail
-LibTest/core/Stopwatch/elapsedInUs_A01_t01: Fail
-LibTest/core/Stopwatch/elapsed_A01_t01: Fail
-LibTest/core/Stopwatch/elapsed_A01_t02: Fail
-LibTest/core/Stopwatch/frequency_A01_t01: Fail
-LibTest/core/Stopwatch/start_A01_t01: Fail
-LibTest/core/Stopwatch/start_A01_t02: Fail
-LibTest/core/Stopwatch/start_A01_t03: Fail
-LibTest/core/Stopwatch/stop_A01_t01: Fail
-LibTest/core/double/operator_GE_A01_t02: Fail
-LibTest/core/double/operator_GT_A01_t02: Fail
-LibTest/core/double/operator_LE_A01_t02: Fail
-LibTest/core/double/operator_LT_A01_t02: Fail
-LibTest/core/double/operator_remainder_A01_t01: Fail
-LibTest/core/double/operator_remainder_A01_t02: Fail
-LibTest/core/double/operator_remainder_A01_t03: Fail
-LibTest/core/double/operator_remainder_A01_t04: Fail
-LibTest/core/double/operator_remainder_A01_t05: Fail
-
-
 LibTest/core/Queue/iterator_hasNext_A01_t01: Slow, Pass
 
 #
 # Issues with co19 test suite.
 #
 # If you add anything here, either file a bug against the Dart
 # language specification, co19 test suite, or add a comment that ahe@
 # can understand so he can file a bug later.
 #
 [ $compiler == dart2js ]
@@ skipping 31 matching lines @@
 LibTest/core/Math/pow_A13_t01: Fail, OK # TODO(floitsch): Review.
 LibTest/core/Math/sin_A01_t01: Fail, OK # TODO(floitsch): Review.
 LibTest/core/Math/tan_A01_t01: Fail, OK # TODO(floitsch): Review.
 LibTest/core/RegExp/Pattern_semantics/firstMatch_NonEmptyClassRanges_A01_t01: Fail, OK # This is not rejected by V8.
 LibTest/core/RegExp/Pattern_semantics/firstMatch_Term_A04_t01: Fail, OK # co19 issue 92.
 LibTest/core/RegExp/RegExp_A01_t03: Fail, OK # Expects exception from const constructor.
 LibTest/core/RegExp/RegExp_A01_t04: Fail, OK # Expects exception from const constructor.
 LibTest/core/RegExp/allMatches_A01_t01: Fail, OK #  Bad test, allMatches return an Iterable.
 LibTest/core/RegExp/firstMatch_A01_t01: Fail, OK # Bad test, use Match.regexp, not Match.pattern.
 LibTest/core/String/hashCode_A01_t01: Fail, OK # Bad test closurizes hashCode.
-LibTest/core/double/toInt_A01_t01: Fail, OK # Requires big int.
-LibTest/core/double/toInt_A01_t02: Fail, OK # Requires big int.
 LibTest/core/double/toInt_A01_t05: Fail, OK # Requires big int.
 LibTest/core/double/toRadixString_A01_t01: Fail, OK # Unimplemented test stub.
 LibTest/core/double/toStringAsExponential_A01_t01: Fail, OK # Unimplemented test stub.
 LibTest/core/double/toStringAsPrecision_A01_t01: Fail, OK # Unimplemented test stub.
 LibTest/core/int/compareTo_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/hashCode_A01_t01: Fail, OK # co19 testing missing assertion.
 LibTest/core/int/isEven_A01_t01: Fail, OK # Not in API.
 LibTest/core/int/isOdd_A01_t01: Fail, OK # Not in API.
 # The following test will start to fail when dart2js fixes issue 2887 (constant
 # folding with runtime-semantics).
 # It should then be marked as:  Fail, OK # Requires big int.
 LibTest/core/int/operator_NOT_A01_t01: Pass
 LibTest/core/int/operator_left_shift_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/operator_remainder_A01_t03: Fail, OK # Leg only has double.
 LibTest/core/int/operator_truncating_division_A01_t01: Fail, Pass # Requires big int unless type inference fools us.
 LibTest/core/int/operator_truncating_division_A01_t02: Fail, OK # Leg only has double.
 LibTest/core/int/remainder_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/remainder_A01_t03: Fail, OK # Leg only has double.
 LibTest/core/int/toDouble_A01_t01: Fail, OK # Requires big int.
-LibTest/core/int/toInt_A01_t01: Fail, OK # Requires big int.
 LibTest/core/int/toRadixString_A01_t01: Fail, OK # Bad test: uses Expect.fail, Expect.throws, assumes case of result, and uses unsupported radixes.
 LibTest/core/int/toStringAsExponential_A01_t01: Fail, OK # Co19 Issue 112.
 LibTest/core/int/toStringAsFixed_A01_t01: Fail, OK # Co19 Issue 114.
 LibTest/core/int/toStringAsPrecision_A01_t01: Fail, OK # Co19 Issue 113.
 LibTest/core/String/contains_A01_t02: Fail, OK # co19 issue 105.
 Language/07_Classes/1_Instance_Methods/2_Operators_A02_t01: Fail, OK # Expects negative result from bit-operation.
 
 
 #
 # The following tests are failing. Please add the error message
@@ skipping 111 matching lines @@
 Language/10_Expressions/28_Identifier_Reference_A06_t56: Fail # @compile-error
 Language/11_Statements/09_Try_A01_t14: Fail # @compile-error
 
 
 [ $compiler == dart2dart ]
 *: Skip
 
 
 [ $compiler == dart2js && $browser ]
 *: Skip