Fix yield statements in catch blocks

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 && $checked ]
 await_future_test: RuntimeError # Issue 22332
 async_test/none: RuntimeError # Issue 22332
 
 [ $compiler == dart2js ]
 syncstar_yield_test/copyParameters: RuntimeError # Issue 22322
@@ skipping 201 matching lines @@
 # 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/test1: Fail
+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
@@ skipping 66 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