[es6] Ensure that for-in/of loops have a proper TDZ for their boundnames

test/test262-es6/test262-es6.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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@@ skipping 446 matching lines @@
   'language/expressions/arrow-function/lexical-new.target': [FAIL],
   'language/expressions/arrow-function/lexical-new.target-closure-returned': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=2160
   'language/expressions/arrow-function/syntax/arrowparameters-cover-initialize-1': [FAIL],
   'language/expressions/arrow-function/syntax/arrowparameters-cover-initialize-2': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=3673
   'language/statements/class/definition/basics': [FAIL],
 
-  # https://code.google.com/p/v8/issues/detail?id=4210
-  'language/statements/for-in/const-bound-names-fordecl-tdz-for-in': [PASS, FAIL],
-  'language/statements/for-in/let-bound-names-fordecl-tdz-for-in': [PASS, FAIL],
-  'language/statements/for-of/const-bound-names-fordecl-tdz-for-of': [PASS, FAIL],
-  'language/statements/for-of/let-bound-names-fordecl-tdz-for-of': [PASS, FAIL],
-
   # Destructuring
   # https://code.google.com/p/v8/issues/detail?id=811
   'language/statements/for-of/body-dstr-assign': [FAIL],
 
   # https://code.google.com/p/v8/issues/detail?id=3566
   'language/statements/for-of/body-dstr-assign-error': [FAIL],
   'language/statements/for-of/body-put-error': [FAIL],
   'language/statements/for-of/generator-close-via-break': [FAIL],
   'language/statements/for-of/generator-close-via-return': [FAIL],
   'language/statements/for-of/generator-close-via-throw': [FAIL],
@@ skipping 324 matching lines @@
 
   # BUG(3251225): Tests that timeout with --nocrankshaft.
   'built-ins/decodeURI/S15.1.3.1_A2.4_T1': [SKIP],
   'built-ins/decodeURI/S15.1.3.1_A2.5_T1': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A2.4_T1': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A2.5_T1': [SKIP],
   'built-ins/encodeURI/S15.1.3.3_A2.3_T1': [SKIP],
   'built-ins/encodeURIComponent/S15.1.3.4_A2.3_T1': [SKIP],
 }],  # 'arch == arm or arch == mipsel or arch == mips or arch == arm64'
 ]