dart2js cps: Support sync* and yield.

tests/compiler/dart2js_extra/dart2js_extra.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 ]
 16407_test: Fail # Issue 16407
 class_test: Fail
 statements_test: Fail
 typed_locals_test: Fail
 no_such_method_test: Fail # Wrong Invocation.memberName.
@@ skipping 52 matching lines @@
 
 [ $host_checked && $compiler == dart2js && $cps_ir ]
 21724_test: Crash # Please triage this failure.
 
 [ $compiler == none && $runtime == vm ]
 invalid_annotation_test/01: MissingCompileTimeError, OK # vm is lazy
 lookup_map/dead_entry_through_mirrors_test: SkipByDesign # Test for tree-shaking, vm never tree-shakes
 
 [ $compiler == dart2js && $cps_ir ]
 16407_test: Pass # Please triage this failure.
-22868_test: RuntimeError # Issue 23997
 23432_test: RuntimeError # Issue 23432
 async_stacktrace_test/asyncStar: Crash # (foo()async*{try {tr...  cannot handle sync*/async* functions
-async_stacktrace_test/none: RuntimeError # $async$temp1.Tracer$ is not a function
 closure_capture5_test: Crash # (i=0): For-loop variable captured in loop header
 deferred/deferred_class_test: RuntimeError # Z.loadLibrary is not a function
-deferred/deferred_constant2_test: RuntimeError # TypeError: U.loadLibrary is not a function
-deferred/deferred_constant3_test: RuntimeError # TypeError: Y.loadLibrary is not a function
+deferred/deferred_constant2_test: RuntimeError # U.loadLibrary is not a function
+deferred/deferred_constant3_test: RuntimeError # Y.loadLibrary is not a function
 deferred/deferred_constant4_test: RuntimeError # B.loadLibrary is not a function
-deferred/deferred_function_test: Crash # (lib.foo): deferred access is not implemented
-deferred/deferred_mirrors1_test: RuntimeError # TypeError: U.loadLibrary is not a function
+deferred/deferred_function_test: Crash # (lib.foo('a')): deferred access is not implemented
+deferred/deferred_mirrors1_test: RuntimeError # U.loadLibrary is not a function
 deferred/deferred_overlapping_test: RuntimeError # E.loadLibrary is not a function
-deferred_split_test: RuntimeError # TypeError: Z.loadLibrary is not a function
-lookup_map/live_entry_through_mirrors_test: Crash # (static Iterable<Str...  cannot handle sync*/async* functions
-mirror_printer_test: Crash # (static Iterable<Str...  cannot handle sync*/async* functions
-mirror_test: Crash # (static Iterable<Str...  cannot handle sync*/async* functions
-reflect_native_types_test: Crash # (static Iterable<Str...  cannot handle sync*/async* functions
+deferred_split_test: RuntimeError # Z.loadLibrary is not a function
 switch_test/none: Crash # (switch (val){foo:ba...  continue to a labeled switch case