dart2dart: Implementation of simple try/catch.

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 ]
 syncstar_yield_test/copyParameters: RuntimeError # Issue 22322
 sync_generator2_test/07: MissingCompileTimeError # Issue 22324
 sync_generator2_test/08: MissingCompileTimeError # Issue 22324
 sync_generator2_test/10: MissingCompileTimeError # Issue 22324
 sync_generator2_test/20: MissingCompileTimeError # Issue 22324
@@ skipping 180 matching lines @@
 
 [ $compiler == dart2dart && $builder_tag == new_backend ]
 async_await_syntax_test/a03a: CompileTimeError # Issue 21404
 async_await_syntax_test/a03b: CompileTimeError # Issue 21404
 async_await_syntax_test/a11d: CompileTimeError # Issue 21404
 async_await_syntax_test/b03a: CompileTimeError # Issue 21404
 async_await_syntax_test/b11d: CompileTimeError # Issue 21404
 sync_generator3_test/test2: RuntimeError # Issue 21404
 async_await_syntax_test/c03a: CompileTimeError # Issue 21404
 async_await_syntax_test/d03a: CompileTimeError # Issue 21404
+regress_13494_test: Pass # Issue 22370, passes for the wrong reason
 
 [ $compiler == dart2dart && $builder_tag == new_backend && $minified == true ]
 # This test fails in minified, because the type-argument is
 # renamed, but the symbol naming it it is not.
 type_variable_conflict2_test/01: RuntimeError # Issue 16180
 
 [ $compiler == dart2dart && $builder_tag == new_backend && $minified == false ]
 # This test happens not to fail in minified, because the type-argument is
 # renamed, but the unresolved reference to it is not.
 type_variable_conflict2_test/04: Fail # Issue 19725
 
 [ $compiler == dart2dart && $minified && $builder_tag != new_backend ]
 type_variable_conflict2_test/01: RuntimeError # Issue 16180
 sync_generator3_test/test2: Fail
 
 [ $compiler == dart2dart ]
 asyncstar_concat_test: CompileTimeError # Issue 21404
 asyncstar_yield_test: CompileTimeError # Issue 21404
 asyncstar_yieldstar_test: CompileTimeError # Issue 21404
 
 sync_generator2_test/07: MissingCompileTimeError # Issue 22324
 sync_generator2_test/08: MissingCompileTimeError # Issue 22324
 sync_generator2_test/10: MissingCompileTimeError # Issue 22324
 sync_generator2_test/20: MissingCompileTimeError # Issue 22324
 sync_generator2_test/30: MissingCompileTimeError # Issue 22324
 sync_generator2_test/51: MissingCompileTimeError # Issue 22324
 sync_generator2_test/52: MissingCompileTimeError # Issue 22324
 await_for_cancel_test: RuntimeError # Issue 21404
 
-
-regress_13494_test: Fail # Issue 13494
+regress_13494_test: Fail # Issue 22370
 
 enum_duplicate_test/01: CompileTimeError # Issue 22169
 
 built_in_identifier_prefix_test: Fail # Issue 6972
 constructor_initializer_test/none: Fail # Issue 12633
 
 # Mixins fail on the VM.
 mixin_with_two_implicit_constructors_test: Fail # Issue 11889
 
 # Calling unresolved class constructor:
@@ skipping 49 matching lines @@
 invocation_mirror_test: Fail, OK # Issue 12706 (hardcoded names).
 super_call4_test: Fail, OK # hardcoded names.
 
 [ $minified ]
 stack_trace_test: Fail, OK # Stack trace not preserved in minified code.
 regress_21795_test: RuntimeError # Issue 12605
 
 [ $compiler == dart2js && $runtime == d8 && $system == windows ]
 *deferred*: Skip # Issue 17458
 cha_deopt*: Skip # Issue 17458