Revert update of co19 and followup status changes

tests/co19/co19-runtime.status

Index: tests/co19/co19-runtime.status
diff --git a/tests/co19/co19-runtime.status b/tests/co19/co19-runtime.status
index af057c3e8713e9c41cc6ab9e7be59f520cfca385..bc8772c68675bd32725588f71c9ebc8f2fc4a881 100644
--- a/tests/co19/co19-runtime.status
+++ b/tests/co19/co19-runtime.status
@@ -29,17 +29,13 @@ Language/Statements/Assert/type_t05: skip # co19 issue 734
 
 LibTest/core/DateTime/DateTime.now_A01_t02: Pass, Fail # co19 issue 709
 
-LibTest/isolate/Isolate/spawnUri_A01_t02: Skip # Issue 15974
-LibTest/isolate/Isolate/spawnUri_A01_t03: Skip # Issue 15974
-LibTest/isolate/Isolate/spawnUri_A02_t02: Skip # Issue 15974
-LibTest/isolate/Isolate/spawnUri_A02_t03: Skip # Issue 15974
-LibTest/isolate/Isolate/spawnUri_A02_t04: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A03_t02: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A04_t01: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A04_t04: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A06_t03: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A06_t05: Skip # Issue 15974
-LibTest/isolate/Isolate/spawn_A04_t03: Pass, RuntimeError # Issue 27202
+LibTest/isolate/Isolate/spawnUri_A01_t02: Skip # Dart issue 15974
+LibTest/isolate/Isolate/spawnUri_A01_t03: Skip # Dart issue 15974
+LibTest/isolate/Isolate/spawnUri_A02_t01: RuntimeError # Dart issue 15617
+LibTest/isolate/Isolate/spawnUri_A02_t02: Skip # Dart issue 15974
+LibTest/isolate/Isolate/spawnUri_A02_t03: Skip # Dart issue 15974
+LibTest/isolate/Isolate/spawnUri_A02_t04: Skip # Dart issue 15974
+LibTest/isolate/Isolate/spawn_A02_t02: RuntimeError # Dart issue 15617
 
 LibTest/core/Symbol/Symbol_A01_t03: RuntimeError # Issue 13596
 LibTest/core/Symbol/Symbol_A01_t05: RuntimeError # Issue 13596
@@ -54,15 +50,10 @@ Language/Libraries_and_Scripts/Parts/syntax_t06: Fail
 
 [ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $mode == debug ]
 LibTest/core/List/List_class_A01_t02: Pass, Slow
-Language/Libraries_and_Scripts/Imports/deferred_import_t02: Crash # Issue 27201
 
 [ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $system == windows ]
 Language/Expressions/Function_Invocation/async_invokation_t04: Pass, RuntimeError # co19 issue 54
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $checked == false ]
-LibTest/isolate/Isolate/spawn_A02_t04: RuntimeError # Issue 27185
-LibTest/isolate/Isolate/spawn_A02_t05: RuntimeError, Crash # Issue 27185
-
 [ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && ($arch != x64 && $arch != simarm64 && $arch != arm64 && $arch != simdbc && $arch != simdbc64) ]
 LibTest/core/int/operator_left_shift_A01_t02: Fail # co19 issue 129
 
@@ -74,14 +65,11 @@ LibTest/collection/ListMixin/ListMixin_class_A01_t02: Skip # co19 issue 673
 LibTest/collection/ListBase/ListBase_class_A01_t02: Skip # co19 issue 673
 
 [ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && ($arch == simarm || $arch == simarmv6 || $arch == simarmv5te || $arch == simmips || $arch == simarm64 || $arch == simdbc || $arch == simdbc64) ]
-LibTest/collection/DoubleLinkedQueue/DoubleLinkedQueue_class_A01_t01: Skip  # Timeout
-LibTest/collection/IterableBase/IterableBase_class_A01_t02: Skip  # Timeout
-LibTest/collection/IterableMixin/IterableMixin_class_A02_t01: Skip  # Timeout
-LibTest/collection/ListBase/ListBase_class_A01_t01: Skip  # Timeout
-LibTest/collection/ListBase/ListBase_class_A01_t02: Skip  # Timeout
+LibTest/core/Uri/Uri_A06_t03: Skip  # Timeout
 LibTest/collection/ListMixin/ListMixin_class_A01_t01: Skip  # Timeout
+LibTest/collection/ListBase/ListBase_class_A01_t01: Skip  # Timeout
 LibTest/collection/ListMixin/ListMixin_class_A01_t02: Skip  # Timeout
-LibTest/core/Uri/Uri_A06_t03: Skip  # Timeout
+LibTest/collection/ListBase/ListBase_class_A01_t02: Skip  # Timeout
 
 [ $system == windows ]
 LibTest/collection/ListMixin/ListMixin_class_A01_t02: Pass, Slow
@@ -162,12 +150,15 @@ Language/Statements/Yield_and_Yield_Each/Yield_Each/location_t05: MissingCompile
 Language/Expressions/Property_Extraction/General_Super_Property_Extraction: CompileTimeError # Issue 26287
 Language/Expressions/Property_Extraction/Super_Closurization: CompileTimeError # Issue 26287
 
+# co19 Roll May 30 2016
+Language/Reference/Operator_Precedence/precedence_12_Shift_t02: RuntimeError # Issue 26573
+Language/Reference/Operator_Precedence/precedence_15_unary_prefix_t04: RuntimeError # Issue 26573
+
 [ $noopt || $compiler == precompiler || $mode == product ]
 Language/Metadata/*: SkipByDesign # Uses dart:mirrors
 Language/Expressions/Null/instance_of_class_null_t01: Skip # Uses dart:mirrors
 
 [ $noopt || $compiler == precompiler || $compiler == dart2appjit || $mode == product ]
-Language/Libraries_and_Scripts/Imports/deferred_import_t01: Skip # Eager loading
 Language/Libraries_and_Scripts/Imports/deferred_import_t02: Skip # Eager loading
 Language/Libraries_and_Scripts/Imports/invalid_uri_deferred_t01: Skip # Eager loading
 Language/Libraries_and_Scripts/Imports/invalid_uri_deferred_t02: Skip # Eager loading