Implement [Generator].prototype.return.

test/test262/test262.status

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 130 matching lines @@
   'built-ins/Array/prototype/Symbol.iterator': [FAIL],
   'built-ins/Array/prototype/values/returns-iterator': [FAIL],
   'built-ins/Array/prototype/values/returns-iterator-from-object': [FAIL],
   'built-ins/Array/prototype/values/prop-desc': [FAIL],
   'built-ins/Array/prototype/values/name': [FAIL],
   'built-ins/Array/prototype/values/length': [FAIL],
   'built-ins/Array/prototype/values/iteration': [FAIL],
   'built-ins/Array/prototype/values/iteration-mutable': [FAIL],
   'built-ins/Array/prototype/Symbol.unscopables/value': [FAIL],
 
-  # https://code.google.com/p/v8/issues/detail?id=3566
-  'built-ins/GeneratorPrototype/return/from-state-completed': [FAIL],
-  'built-ins/GeneratorPrototype/return/from-state-suspended-start': [FAIL],
-  'built-ins/GeneratorPrototype/return/property-descriptor': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-catch-before-try': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-catch-following-catch': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-catch-within-catch': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-catch-within-try': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-before-try': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-following-finally': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-catch': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-finally': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-after-nested': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-outer-try-before-nested': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-within-finally': [FAIL],
-  'built-ins/GeneratorPrototype/return/try-finally-within-try': [FAIL],
-
   # https://code.google.com/p/v8/issues/detail?id=4248
   'language/expressions/compound-assignment/S11.13.2_A5.*': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A6.*': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.10_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.11_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.1_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.2_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.3_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.4_T4': [FAIL],
   'language/expressions/compound-assignment/S11.13.2_A7.5_T4': [FAIL],
@@ skipping 527 matching lines @@
   'built-ins/decodeURIComponent/S15.1.3.2_A1.12_T2': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A1.12_T3': [SKIP],
   'intl402/9.2.2': [SKIP],
   'language/statements/let/fn-name-arrow': [SKIP],
   'language/statements/let/fn-name-cover': [SKIP],
   'language/statements/let/fn-name-fn': [SKIP],
   'language/statements/let/fn-name-gen': [SKIP],
 }],  # ignition == True and (arch == arm or arch == arm64)
 
 ]