Remove suppressions for ie9

tests/lib/lib.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.
 
 [ $checked && $compiler != dartanalyzer && $compiler != dart2analyzer && $runtime != dartium ]
 mirrors/regress_16321_test/01: CompileTimeError # Issue 16351
 
 [ $checked && $compiler == none && ($runtime == dartium || $runtime == drt) ]
 mirrors/regress_16321_test/01: RunTimeError # Issue 16351
 
-[ $compiler == dart2js && $checked && $runtime == ie9 ]
-convert/ascii_test: Skip # http://dartbug.com/15498
-convert/streamed_conversion_json_utf8_encode_test: Skip # http://dartbug.com/15498
-convert/streamed_conversion_utf8_encode_test: Skip # http://dartbug.com/15498
-
-mirrors/mirrors_reader_test: Skip # Issue 16589
-
 [ $unchecked ]
 mirrors/redirecting_factory_different_type_test: SkipByDesign # Tests type checks.
 
 [ $csp ]
 async/deferred/deferred_in_isolate_test: RuntimeError # Issue 16898
 mirrors/deferred_mirrors_metadata_test: Fail # Issue 16898
 mirrors/deferred_mirrors_metatarget_test: Fail # Issue 16898
 
 [ $compiler == dart2js ]
 async/schedule_microtask6_test: RuntimeError # global error handling is not supported. http://dartbug.com/5958
@@ skipping 89 matching lines @@
 typed_data/setRange_4_test: Fail # Safari doesn't fully implement spec for TypedArray.set
 typed_data/int32x4_test: Fail, Pass # Safari has an optimization bug (nightlies are already fine).
 typed_data/float32x4_test: Fail, Pass # Safari has an optimization bug (nightlies are already fine).
 mirrors/null_test: Fail # http://dartbug.com/16831
 convert/json_test: Fail # https://bugs.webkit.org/show_bug.cgi?id=134920
 
 [ $compiler == dart2js && $runtime == chromeOnAndroid ]
 typed_data/setRange_2_test: RuntimeError # TODO(dart2js-team): Please triage this failure.
 typed_data/setRange_3_test: RuntimeError # TODO(dart2js-team): Please triage this failure.
 
-[ $compiler == dart2js && $runtime != jsshell && $runtime != safarimobilesim && $runtime != safari && $runtime != ff && $runtime != ie9 && $runtime != ie10]
+[ $compiler == dart2js && $runtime != jsshell && $runtime != safarimobilesim && $runtime != safari && $runtime != ff &&  $runtime != ie10]
 math/math_test: RuntimeError
 math/math2_test: RuntimeError
 
 [ $compiler == dart2js && ($jscl || $runtime == d8) ]
 mirrors/invocation_fuzz_test: RuntimeError # Issue 15566
 
 [ $compiler == dart2js && $runtime == jsshell ]
 async/future_test: RuntimeError # Timer interface not supported; dartbug.com/7728.
 async/slow_consumer2_test: RuntimeError # Timer interface not supported; dartbug.com/7728.
 async/slow_consumer3_test: RuntimeError # Timer interface not supported; dartbug.com/7728.
@@ skipping 68 matching lines @@
 [ $compiler == dart2js && $minified ]
 mirrors/mirrors_used_get_name_test: RuntimeError
 mirrors/mirrors_used_get_name2_test: RuntimeError
 
 [ $runtime == ff ]
 # FF setTimeout can fire early: https://bugzilla.mozilla.org/show_bug.cgi?id=291386
 convert/streamed_conversion_utf8_decode_test: Pass, Slow  # Issue 12029
 convert/streamed_conversion_utf8_encode_test: Pass, Slow # Issue 12029
 mirrors/mirrors_reader_test: Timeout, Slow, RuntimeError # Issue 16589
 
-[ $runtime == ie9 ]
-# IE9 doesn't support typed arrays.
-typed_data/*: Fail # Issue 11971
-convert/chunked_conversion_utf88_test: Skip  # Issue 12029
-convert/streamed_conversion_json_utf8_decode_test: Skip # Issue 12029
-async/deferred/*: Skip # http://dartbug.com/12635
-mirrors/deferred*: Pass, Fail # http://dartbug.com/12635
-convert/streamed_conversion_utf8_decode_test: Skip # http://dartbug.com/12768
-convert/utf85_test: Skip # Issue 12029.
-convert/json_util_test: Fail # Issue 16109
-mirrors/mirrors_reader_test: Slow, RuntimeError # Issue 16589
-
 [ $compiler == dart2js ]
 typed_data/typed_data_hierarchy_int64_test: RuntimeError # Issue 10275
 typed_data/int32x4_bigint_test: RuntimeError # Issue 1533
 
 [ $runtime == opera ]
 async/multiple_timer_test: Pass, Fail # Probably issue 14734
 
 [ $runtime == opera && $system == windows]
 # TODO(efortuna): Investigate.
 async/timer_test: Fail, Pass
@@ skipping 87 matching lines @@
 
 [ $arch == simarm ]
 convert/chunked_conversion_utf88_test: Skip  # Pass, Slow Issue 12644.
 convert/utf85_test: Skip  # Pass, Slow Issue 12644.
 
 [ $compiler == dart2js ]
 profiler/metrics_num_test: Skip # Because of a int / double type test.
 
 [ $arch == simarm64 ]
 convert/utf85_test: Skip # Pass, Slow Issue 20111.