Handle setter without getter for compounds in SemanticSendVisitor

tests/language/language_dart2js.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 ]
 sync_generator2_test/07: MissingCompileTimeError # Issue 22324
 sync_generator2_test/08: MissingCompileTimeError # Issue 22324
 sync_generator2_test/10: MissingCompileTimeError # Issue 22324
 
 async_star_test/02: RuntimeError # 22853
@@ skipping 186 matching lines @@
 
 [ $compiler == dart2js && ($runtime == safari || $runtime == safarimobilesim)]
 # Safari codegen bug, fixed on some versions of Safari 7.1 (Version 7.1 (9537.85.10.17.1))
 call_through_getter_test: Fail, OK
 
 [ $compiler == dart2js && $runtime == chromeOnAndroid ]
 override_field_test/02: Pass, Slow # TODO(kasperl): Please triage.
 
 [ $compiler == dart2dart && $builder_tag == new_backend ]
 regress_13494_test: Pass # Issue 22370, passes for the wrong reason
-await_for_cancel_test: RuntimeError # Issue 23015
-regress_22936_test/01: RuntimeError # Issue 23015
-async_star_cancel_and_throw_in_finally_test: RuntimeError # Issue 23015
 
 [ $compiler == dart2dart && $builder_tag == new_backend && $host_checked ]
 large_implicit_getter_test: Crash # Stack overflow
 
 [ $compiler == dart2dart && ($minified == true || $builder_tag == new_backend) ]
 type_variable_conflict2_test/01: RuntimeError # Issue 16180
 
 [ $compiler == dart2dart ]
 sync_generator2_test/07: MissingCompileTimeError # Issue 22324
 sync_generator2_test/08: MissingCompileTimeError # Issue 22324
@@ skipping 68 matching lines @@
 stack_trace_test: Fail, OK # Stack trace not preserved in minified code.
 regress_21795_test: RuntimeError # Issue 12605
 
 [ $compiler == dart2js && $runtime == d8 && $system == windows ]
 # Detection of d8 runtime does not work on Windows so the runtime result is
 # unreliable; at the time of writing, 32 passed, 31 failed with runtime error.
 # Marked with Pass,RuntimeError to avoid undetected compile-time failures.
 *deferred*: Pass,RuntimeError # Issue 17458
 cha_deopt*: Pass,RuntimeError # Issue 17458
 regress_22443_test: Pass,RuntimeError # Issue 17458