Ship ES2015 sloppy-mode const semantics

test/webkit/fast/js/parser-syntax-check-expected.txt

 # Copyright 2013 the V8 project authors. All rights reserved.
 # Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
@@ skipping 307 matching lines @@
 PASS Invalid: "function f() { if (a) if (b) ; else function (){} }"
 PASS Valid:   "throw a"
 PASS Valid:   "function f() { throw a }"
 PASS Valid:   "throw a + b in void c"
 PASS Valid:   "function f() { throw a + b in void c }"
 PASS Invalid: "throw"
 PASS Invalid: "function f() { throw }"
 var and const statements
 PASS Valid:   "var a, b = null"
 PASS Valid:   "function f() { var a, b = null }"
-PASS Valid:   "const a = 5, b, c"
-PASS Valid:   "function f() { const a = 5, b, c }"
+FAIL Valid:   "const a = 5, b, c" should NOT throw
+FAIL Valid:   "function f() { const a = 5, b, c }" should NOT throw
 PASS Invalid: "var"
 PASS Invalid: "function f() { var }"
 PASS Invalid: "var = 7"
 PASS Invalid: "function f() { var = 7 }"
 PASS Invalid: "var c (6)"
 PASS Invalid: "function f() { var c (6) }"
-PASS Valid:   "if (a) var a,b; else const b, c"
-PASS Valid:   "function f() { if (a) var a,b; else const b, c }"
+FAIL Valid:   "if (a) var a,b; else const b, c" should NOT throw
+FAIL Valid:   "function f() { if (a) var a,b; else const b, c }" should NOT throw
 PASS Invalid: "var 5 = 6"
 PASS Invalid: "function f() { var 5 = 6 }"
 PASS Valid:   "while (0) var a, b, c=6, d, e, f=5*6, g=f*h, h"
 PASS Valid:   "function f() { while (0) var a, b, c=6, d, e, f=5*6, g=f*h, h }"
 PASS Invalid: "var a = if (b) { c }"
 PASS Invalid: "function f() { var a = if (b) { c } }"
 PASS Invalid: "var a = var b"
 PASS Invalid: "function f() { var a = var b }"
-PASS Valid:   "const a = b += c, a, a, a = (b - f())"
-PASS Valid:   "function f() { const a = b += c, a, a, a = (b - f()) }"
+FAIL Valid:   "const a = b += c, a, a, a = (b - f())" should NOT throw
+FAIL Valid:   "function f() { const a = b += c, a, a, a = (b - f()) }" should NOT throw
 PASS Invalid: "var a %= b | 5"
 PASS Invalid: "function f() { var a %= b | 5 }"
 PASS Invalid: "var (a) = 5"
 PASS Invalid: "function f() { var (a) = 5 }"
 PASS Invalid: "var a = (4, b = 6"
 PASS Invalid: "function f() { var a = (4, b = 6 }"
 PASS Invalid: "const 'l' = 3"
 PASS Invalid: "function f() { const 'l' = 3 }"
 PASS Invalid: "var var = 3"
 PASS Invalid: "function f() { var var = 3 }"
 PASS Valid:   "var varr = 3 in 1"
 PASS Valid:   "function f() { var varr = 3 in 1 }"
-PASS Valid:   "const a, a, a = void 7 - typeof 8, a = 8"
-PASS Valid:   "function f() { const a, a, a = void 7 - typeof 8, a = 8 }"
+FAIL Valid:   "const a, a, a = void 7 - typeof 8, a = 8" should NOT throw
+FAIL Valid:   "function f() { const a, a, a = void 7 - typeof 8, a = 8 }" should NOT throw
 PASS Valid:   "const x_x = 6 /= 7 ? e : f"
 PASS Valid:   "function f() { const x_x = 6 /= 7 ? e : f }"
 PASS Invalid: "var a = ?"
 PASS Invalid: "function f() { var a = ? }"
 PASS Invalid: "const a = *7"
 PASS Invalid: "function f() { const a = *7 }"
 PASS Invalid: "var a = :)"
 PASS Invalid: "function f() { var a = :) }"
 PASS Valid:   "var a = a in b in c instanceof d"
 PASS Valid:   "function f() { var a = a in b in c instanceof d }"
@@ skipping 33 matching lines @@
 PASS Valid:   "for (var a, b ; ; ) { break } "
 PASS Valid:   "function f() { for (var a, b ; ; ) { break }  }"
 PASS Valid:   "for (var a = b, b = a ; ; ) break"
 PASS Valid:   "function f() { for (var a = b, b = a ; ; ) break }"
 PASS Valid:   "for (var a = b, c, d, b = a ; x in b ; ) { break }"
 PASS Valid:   "function f() { for (var a = b, c, d, b = a ; x in b ; ) { break } }"
 PASS Valid:   "for (var a = b, c, d ; ; 1 in a()) break"
 PASS Valid:   "function f() { for (var a = b, c, d ; ; 1 in a()) break }"
 PASS Invalid: "for ( ; var a ; ) break"
 PASS Invalid: "function f() { for ( ; var a ; ) break }"
-FAIL Invalid: "for (const a; ; ) break" should throw undefined
-FAIL Invalid: "function f() { for (const a; ; ) break }" should throw undefined
+PASS Invalid: "for (const a; ; ) break"
+PASS Invalid: "function f() { for (const a; ; ) break }"
 PASS Invalid: "for ( %a ; ; ) { }"
 PASS Invalid: "function f() { for ( %a ; ; ) { } }"
 PASS Valid:   "for (a in b) break"
 PASS Valid:   "function f() { for (a in b) break }"
 PASS Valid:   "for (a() in b) break"
 PASS Valid:   "function f() { for (a() in b) break }"
 PASS Valid:   "for (a().l[4] in b) break"
 PASS Valid:   "function f() { for (a().l[4] in b) break }"
 PASS Invalid: "for (new a in b in c in d) break"
 PASS Invalid: "function f() { for (new a in b in c in d) break }"
@@ skipping 175 matching lines @@
 PASS Invalid: "function f() { var a.b = c }"
 PASS Invalid: "var a.b;"
 PASS Invalid: "function f() { var a.b; }"
 FAIL e.line should be 1 (of type number). Was undefined (of type undefined).
 PASS foo is 'PASS'
 PASS bar is 'PASS'
 PASS successfullyParsed is true
 
 TEST COMPLETE