1. Dynamic compute the main closure that needs to be run by the main isolate

tests/co19/co19-kernel.status

 # Copyright (c) 2016, 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 == dartk || $compiler == dartkp ]
 Language/Classes/Constructors/Generative_Constructors/initializers_t12: MissingCompileTimeError # Test bug: Test doesn't execute erroneous code.
 Language/Classes/Constructors/Generative_Constructors/redirection_t09: MissingCompileTimeError # Test bug: Test doesn't execute erroneous code.
 Language/Expressions/Conditional/syntax_t04: MissingCompileTimeError # Test bug: Test doesn't execute erroneous code.
 Language/Expressions/Throw/no_catch_clause_t02: MissingCompileTimeError # Test bug: Test doesn't execute erroneous code.
 Language/Expressions/Throw/no_catch_clause_t03: MissingCompileTimeError # Test bug: Test doesn't execute erroneous code.
@@ skipping 98 matching lines @@
 Language/Libraries_and_Scripts/Imports/static_type_t01: Skip # No support for deferred libraries.
 Language/Libraries_and_Scripts/Imports/syntax_t41: MissingCompileTimeError
 Language/Libraries_and_Scripts/Parts/compilation_t11: MissingCompileTimeError
 Language/Libraries_and_Scripts/Parts/syntax_t01: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t05: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t06: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t07: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t08: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t10: MissingCompileTimeError
 Language/Libraries_and_Scripts/Scripts/syntax_t14: MissingCompileTimeError
-Language/Libraries_and_Scripts/Scripts/top_level_main_t05: Crash

[karlklose, 2017/06/16 08:39:03]

This test still crashes in debug mode (see
https://codereview.chromium.org/2945573002/)

 Language/Libraries_and_Scripts/definition_syntax_t01: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t03: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t04: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t05: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t06: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t07: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t08: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t09: MissingCompileTimeError
 Language/Libraries_and_Scripts/definition_syntax_t10: MissingCompileTimeError
 Language/Metadata/before_export_t01: RuntimeError  # Issue 28434: Kernel IR misses these annotations.
@@ skipping 112 matching lines @@
 LibTest/collection/SplayTreeMap/inherited_tests_A01_t01: RuntimeError
 LibTest/isolate/Isolate/spawn_A02_t04: RuntimeError
 LibTest/isolate/Isolate/spawn_A02_t05: RuntimeError
 LibTest/isolate/Isolate/spawn_A02_t06: RuntimeError
 LibTest/isolate/Isolate/spawn_A02_t07: RuntimeError
 
 # Deferred loading kernel issue 28335.
 [ $compiler == dartk || $compiler == dartkp ]
 Language/Libraries_and_Scripts/Imports/deferred_import_t01: CompileTimeError # Deferred loading kernel issue 28335.
 Language/Libraries_and_Scripts/Imports/deferred_import_t02: CompileTimeError # Deferred loading kernel issue 28335.