Stage ES2015-style const in sloppy mode

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 56 matching lines @@
   'built-ins/Math/sin/S15.8.2.16_A7': [PASS, FAIL_OK],
   'built-ins/Math/tan/S15.8.2.18_A7': [PASS, FAIL_OK],
 
   # This is an incompatibility between ES5 and V8 on enumerating
   # shadowed elements in a for..in loop.
   # https://code.google.com/p/v8/issues/detail?id=705
   'language/statements/for-in/12.6.4-2': [PASS, FAIL_OK],
 
   ###################### MISSING ES6 FEATURES #######################
 
-  # Const is still interpreted as legacy const in sloppy mode
-  # https://code.google.com/p/v8/issues/detail?id=3305
-  'language/block-scope/shadowing/const-declaration-shadowing-catch-parameter': [PASS, FAIL_SLOPPY],
-  'language/block-scope/shadowing/const-declarations-shadowing-parameter-name-let-const-and-var-variables': [PASS, FAIL_SLOPPY],
-  'language/statements/const/block-local-closure-get-before-initialization': [PASS, FAIL_SLOPPY],
-  'language/statements/const/block-local-use-before-initialization-in-declaration-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/block-local-use-before-initialization-in-prior-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/function-local-closure-get-before-initialization': [PASS, FAIL_SLOPPY],
-  'language/statements/const/function-local-use-before-initialization-in-declaration-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/function-local-use-before-initialization-in-prior-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/global-closure-get-before-initialization': [PASS, FAIL_SLOPPY],
-  'language/statements/const/global-use-before-initialization-in-declaration-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/global-use-before-initialization-in-prior-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/block-scope-syntax-const-declarations-mixed-with-without-initialiser': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/block-scope-syntax-const-declarations-mixed-without-with-initialiser': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/block-scope-syntax-const-declarations-without-initialiser': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/const': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/const-invalid-assignment-statement-body-for-in': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/const-invalid-assignment-statement-body-for-of': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/const-outer-inner-let-bindings': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-do-statement-while-expression': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-for-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-if-expression-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-if-expression-statement-else-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-label-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/with-initializer-while-expression-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-case-expression-statement-list': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-default-statement-list': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-do-statement-while-expression': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-for-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-if-expression-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-if-expression-statement-else-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-label-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/const/syntax/without-initializer-while-expression-statement': [PASS, FAIL_SLOPPY],
-  'language/statements/for-in/const-bound-names-fordecl-tdz-for-in': [PASS, FAIL_SLOPPY],
-  'language/statements/for-in/const-fresh-binding-per-iteration-for-in': [PASS, FAIL_SLOPPY],
-  'language/statements/for-of/const-bound-names-fordecl-tdz-for-of': [PASS, FAIL_SLOPPY],
-  'language/statements/for-of/const-fresh-binding-per-iteration-for-of': [PASS, FAIL_SLOPPY],
-
   # Functions in blocks are var-declared and hoisted in sloppy mode
   # https://code.google.com/p/v8/issues/detail?id=3305
   'language/block-scope/shadowing/dynamic-lookup-from-closure': [PASS, FAIL_SLOPPY],
   'language/block-scope/shadowing/lookup-from-closure': [PASS, FAIL_SLOPPY],
   'language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-function-declaration': [PASS, FAIL_SLOPPY],
   'language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-function-declaration-with-var': [PASS, FAIL_SLOPPY],
   'language/block-scope/syntax/redeclaration-in-block/attempt-to-redeclare-var-with-function-declaration': [PASS, FAIL_SLOPPY],
   'language/statements/let/block-local-closure-set-before-initialization': [PASS, FAIL_SLOPPY],
 
   # https://code.google.com/p/v8/issues/detail?id=4405
@@ skipping 710 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'
 ]