Alternative fix for the js-interop crash.

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.
 constant_javascript_semantics4_test: Fail, OK
 mirrors_used_closure_test: Fail # Issue 17939
-interop_anonymous_unreachable_test: Crash # Issue 24974
 
 [ $compiler == dart2js && $runtime == jsshell ]
 mirror_printer_test: Pass, Slow # Issue 16473
 
 [ $compiler == dart2js && $checked ]
 variable_type_test/03: Fail, OK
 variable_type_test/01: Fail, OK
 
 [ $compiler == dart2js && ($runtime == d8 || $runtime == chrome || $runtime == drt) ]
 bound_closure_interceptor_type_test: Fail, Pass # v8 issue 3084. https://code.google.com/p/v8/issues/detail?id=3084
@@ skipping 52 matching lines @@
 async_stacktrace_test/asyncStar: Crash # (foo()async*{try {tr...  cannot handle sync*/async* functions
 deferred/deferred_class_test: RuntimeError # Z.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('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 # Z.loadLibrary is not a function
 switch_test/none: Crash # (switch (val){foo:ba...  continue to a labeled switch case