Revert two Kernel changes that were causing test failures.

tests/language/language.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.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 [ $strong ]
 *: SkipByDesign # tests/language_strong has the strong mode versions of these tests.
 
 [$compiler == precompiler && $runtime == dart_precompiled ]
 stacktrace_demangle_ctors_test: RuntimeError
 
+[$compiler == precompiler && $runtime == dart_precompiled && !$checked]
+assertion_initializer_const_error2_test/cc01: Pass, OK
+assertion_initializer_const_error2_test/cc02: CompileTimeError
+assertion_initializer_const_error2_test/cc03: Pass, OK
+assertion_initializer_const_error2_test/cc04: Pass, OK
+assertion_initializer_const_error2_test/cc05: Pass, OK
+assertion_initializer_const_error2_test/cc06: Pass, OK
+assertion_initializer_const_error2_test/cc07: Pass, OK
+assertion_initializer_const_error2_test/cc08: Pass, OK
+assertion_initializer_const_error2_test/cc09: Pass, OK
+assertion_initializer_const_error2_test/cc10: Pass, OK
+assertion_initializer_const_error2_test/cc11: Pass, OK
+assertion_initializer_const_error2_test/none: CompileTimeError
+
+[$compiler == precompiler && $runtime == dart_precompiled && $checked]
+assertion_initializer_const_error2_test/cc01: Pass
+assertion_initializer_const_error2_test/cc03: Pass
+assertion_initializer_const_error2_test/cc04: Pass
+assertion_initializer_const_error2_test/cc05: Pass
+assertion_initializer_const_error2_test/cc06: Pass
+assertion_initializer_const_error2_test/cc07: Pass
+assertion_initializer_const_error2_test/cc08: Pass
+assertion_initializer_const_error2_test/cc09: Pass
+assertion_initializer_const_error2_test/cc10: Pass
+assertion_initializer_const_error2_test/cc11: Pass
+assertion_initializer_const_error2_test/none: CompileTimeError
+
+[$compiler == none && $runtime == vm && !$checked]
+assertion_initializer_const_error2_test/cc02: MissingCompileTimeError
+assertion_initializer_const_error_test/01: MissingCompileTimeError
+assertion_initializer_const_function_error_test/01: MissingCompileTimeError
+
+[$compiler == app_jit && $runtime == vm && !$checked]
+assertion_initializer_const_error2_test/cc02: MissingCompileTimeError
+assertion_initializer_const_error_test/01: MissingCompileTimeError
+assertion_initializer_const_function_error_test/01: MissingCompileTimeError
+
 [ ($runtime == vm || $runtime == flutter || $runtime == dart_precompiled) && $compiler != dartk && $compiler != dartkp ]
 abstract_beats_arguments2_test/01: Crash # Issue 29171
 
+[ $runtime == vm || $runtime == dart_precompiled ]
+
 # These test entries will be valid for vm (with and without kernel).
 [ $compiler == none || $compiler == app_jit || $compiler == dartk || $runtime == dart_precompiled ]
+async_star_cancel_while_paused_test: RuntimeError
+# This is OK for now, but we may want to change the semantics to match the test.
+async_star_pause_test: Fail, OK
 
 # These tests are skipped in the VM because it has "--supermixin"
 # functionality enabled unconditionally.  The tests should be removed
 # once the same is true for analyzer (#24478) and dart2js (#23773)
 mixin_illegal_super_use_test: Skip # Issues 24478 and 23773
 mixin_illegal_superclass_test: Skip # Issues 24478 and 23773
 
 # These bugs refer currently ongoing language discussions.
 constructor5_test: Fail # Issue 6422
 constructor6_test: Fail # Issue 6422
@@ skipping 24 matching lines @@
 no_main_test/01: Skip
 main_not_a_function_test/01: Skip
 
 [ $compiler == none || $compiler == precompiler || $compiler == app_jit ]
 dynamic_prefix_core_test/01: RuntimeError # Issue 12478
 multiline_strings_test: Fail # Issue 23020
 
 deferred_redirecting_factory_test: Fail, Crash # Issue 23408
 redirecting_constructor_initializer_test: RuntimeError # Issue 23488
 
+async_star_regression_2238_test: CompileTimeError, RuntimeError
+
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && $checked ]
 # These generic functions tests pass for the wrong reason in checked mode,
 # because the parsed type parameters are mapped to dynamic type.
 generic_methods_function_type_test: Pass # Issue 25869
 generic_methods_test: Pass # Issue 25869
 generic_methods_new_test: Pass # Issue 25869
 generic_local_functions_test: Pass # Issue 25869
 generic_functions_test: Pass # Issue 25869
 generic_methods_generic_function_parameter_test: Pass # Issue 25869
 
@@ skipping 17 matching lines @@
 
 [ $runtime == vm || $runtime == dart_precompiled ]
 vm/load_to_load_unaligned_forwarding_vm_test: Pass, Crash # Unaligned offset. Issue 22151
 vm/unaligned_float_access_literal_index_test: Pass, Crash # Unaligned offset. Issue 22151
 vm/unaligned_float_access_literal_index_test: Pass, Crash # Unaligned offset. Issue 22151
 
 [ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && (($runtime == vm || $runtime == dart_precompiled)) && $arch == ia32 ]
 vm/regress_24517_test: Pass, Fail # Issue 24517.
 
 [ $compiler == precompiler && $runtime == dart_precompiled ]
+assertion_initializer_const_error2_test/cc01: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc02: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc03: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc04: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc05: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc06: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc07: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc08: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc09: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc10: Crash, MissingCompileTimeError
+assertion_initializer_const_error2_test/cc11: Crash, MissingCompileTimeError
+
 vm/regress_27671_test: Skip # Unsupported
 export_double_same_main_test: Skip # Issue 29895
 export_ambiguous_main_negative_test: Skip # Issue 29895
 vm/optimized_stacktrace_test: Skip # Issue 30198
 
+[ $compiler == precompiler && $runtime == dart_precompiled && !$checked]
+assertion_initializer_const_error_test/01: MissingCompileTimeError
+assertion_initializer_const_function_error_test/01: MissingCompileTimeError
+
 [ $compiler == precompiler && $runtime == dart_precompiled && $mode == debug ]
 regress_29025_test: Crash  # Issue dartbug.com/29331
 
 [ $runtime == dart_precompiled ]
 # Imports dart:mirrors
 const_evaluation_test: SkipByDesign
 deferred_constraints_constants_test: SkipByDesign
 enum_mirror_test: SkipByDesign
 field_increment_bailout_test: SkipByDesign
 instance_creation_in_function_annotation_test: SkipByDesign
@@ skipping 41 matching lines @@
 deopt_inlined_function_lazy_test: Skip # Incompatible flag: --deoptimize-alot
 
 [ $runtime == dart_precompiled || $compiler == app_jit ]
 ct_const2_test: Skip # Incompatible flag: --compile_all
 hello_dart_test: Skip # Incompatible flag: --compile_all
 vm/type_vm_test: RuntimeError # Expects line and column numbers
 vm/type_cast_vm_test: RuntimeError # Expects line and column numbers
 
 [ $mode == product ]
 issue13474_test: SkipByDesign # Requires checked mode.
+assertion_test: SkipByDesign # Requires checked mode.
 named_parameters_type_test/01: SkipByDesign # Requires checked mode.
 named_parameters_type_test/02: SkipByDesign # Requires checked mode.
 named_parameters_type_test/03: SkipByDesign # Requires checked mode.
 type_checks_in_factory_method_test: SkipByDesign # Requires checked mode.
 positional_parameters_type_test/01: SkipByDesign # Requires checked mode.
 positional_parameters_type_test/02: SkipByDesign # Requires checked mode.
 list_literal4_test: SkipByDesign # Requires checked mode.
 generic_test: SkipByDesign # Requires checked mode.
 map_literal4_test: SkipByDesign # Requires checked mode.
 
@@ skipping 54 matching lines @@
 deferred_type_dependency_test: Crash # Requires deferred libraries
 issue_1751477_test: Crash # Requires deferred libraries
 regress_23408_test: Crash # Requires deferred libraries
 regress_22443_test: Crash # Requires deferred libraries
 regress_28278_test: Crash # Requires deferred libraries
 conditional_import_test: Crash # Requires deferred libraries
 conditional_import_string_test: Crash # Requires deferred libraries
 vm/regress_27201_test: Pass, Crash # Requires deferred libraries
 vm/optimized_stacktrace_test: Pass, Slow
 
+[ ($runtime != vm && $compiler != dartk && $compiler != dartkp ) || ($compiler != none && $compiler != dartk && $compiler != dartkp )]
+assert_initializer_test/*: SKIP  # not implemented yet, experiment is VM only.
+
+[($runtime == vm || $runtime == flutter) && $compiler == none && $checked]
+# The VM doesn't enforce that potentially const expressions are actually
+# const expressions when the constructor is called with `const`.
+assert_initializer_test/4*: MissingCompileTimeError # Issue 392.
+
 [($runtime == vm || $runtime == flutter) && $compiler == none]
 duplicate_part_test/01: MissingCompileTimeError # Issue 27516
 
 [$runtime == vm && $compiler == none && $system == windows && $arch == ia32]
 vm/optimized_stacktrace_test: Pass, Crash # Issue 28276
 
 [$runtime == vm && $compiler == none && $system == fuchsia]
 # Use package:unittest
 async_await_test: RuntimeError
 async_star_test: RuntimeError
@@ skipping 12 matching lines @@
 generalized_void_syntax_test: CompileTimeError # Issue #30176.
 syntax_test/none: CompileTimeError # Issue #30176.
 
 # flutter uses --error_on_bad_type, --error_on_bad_override
 # and --await_is_keyword so # the following tests fail with
 # a Compilation Error
 [ $runtime == flutter ]
 await_backwards_compatibility_test/none: CompileTimeError
 await_test: CompileTimeError
 async_await_test: CompileTimeError
+async_await_syntax_test/a05c: CompileTimeError
+async_await_syntax_test/a05e: CompileTimeError
+async_await_syntax_test/d08c: CompileTimeError
 static_initializer_type_error_test: CompileTimeError
 new_expression_type_args_test/02: CompileTimeError
 super_getter_setter_test: CompileTimeError
 malformed_test/none: CompileTimeError
 malbounded_type_test_test/02: CompileTimeError
 factory6_test/00: CompileTimeError
 method_override2_test/01: CompileTimeError
 regress_22438_test: CompileTimeError
 regress_13462_1_test: CompileTimeError
 instance_creation_in_function_annotation_test: CompileTimeError
@@ skipping 57 matching lines @@
 override_inheritance_method_test/28: CompileTimeError
 override_inheritance_method_test/29: CompileTimeError
 override_inheritance_method_test/05: CompileTimeError
 override_inheritance_method_test/31: CompileTimeError
 override_inheritance_method_test/33: CompileTimeError
 override_inheritance_method_test/32: CompileTimeError
 override_inheritance_method_test/30: CompileTimeError
 redirecting_factory_reflection_test: CompileTimeError
 method_override6_test: CompileTimeError
 try_catch_syntax_test/08: CompileTimeError
+async_return_types_test/tooManyTypeParameters: CompileTimeError
 method_override4_test: CompileTimeError
 super_call4_test: CompileTimeError
 wrong_number_type_arguments_test/00: CompileTimeError
 wrong_number_type_arguments_test/02: CompileTimeError
 wrong_number_type_arguments_test/01: CompileTimeError
 is_malformed_type_test/97: CompileTimeError
 class_keyword_test/02: CompileTimeError
 is_malformed_type_test/98: CompileTimeError
 is_malformed_type_test/99: CompileTimeError
 is_malformed_type_test/95: CompileTimeError
@@ skipping 127 matching lines @@
 deferred_shared_and_unshared_classes_test: Skip # Timeout
 deferred_constant_list_test: Skip # Timeout
 deferred_redirecting_factory_test: Skip # Timeout
 deferred_shadow_load_library_test: Skip # Timeout
 deferred_global_test: Skip # Timeout
 
 # Look like bugs.
 config_import_test: RuntimeError # Flutter Issue 9110
 vm/no_such_method_error_message_callable_vm_test: RuntimeError # Flutter Issue 9110
 vm/regress_27201_test: Fail # Flutter Issue 9110
+async_return_types_test/nestedFuture: Skip # Flutter Issue 9110
+async_return_types_test/wrongTypeParameter: Skip # Flutter Issue 9110
+async_return_types_test/wrongReturnType: Skip # Flutter Issue 9110
+async_return_types_test/return_value_sync_star: Skip # Flutter Issue 9110
 asyncstar_yield_test: Skip # Flutter Issue 9110
+async_star_no_cancel_test: Skip # Flutter Issue 9110
+async_star_cancel_while_paused_test: Skip # Flutter Issue 9110
 await_for_test: Skip # Flutter Issue 9110
 await_for_cancel_test: Skip # Flutter Issue 9110