148098 2015-08-17 15:08:16 -0700 We need a better error message for the use let/const/class in a Statement and not a StatementListItem 2017-06-03 04:55:33 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 168684 P2 Normal --- 1 saam webkit-unassigned basile_clement bburg benjamin fpizlo ggaren littledan mark.lam mmirman msaboff oliver ticaiolima ysuzuki oldest_to_newest 1118259 0 saam 2015-08-17 15:08:16 -0700 i.e, if (c) let/const/class F; while (c) let/const/class F; should have a better syntax error message. 1278162 1 littledan 2017-02-17 00:44:37 -0800 Whenever you're editing this code, there's a case in this area that I believe should be allowed, but seems to throw a syntax error: ``` if (true) let: x() ``` or ``` with ({}) let: y() ``` When I run that in JSC, I get SyntaxError: Unexpected token ':'. Parse error. whereas in V8, ChakraCore and SpiderMonkey, let is permitted as a label. 1279600 2 ticaiolima 2017-02-21 15:52:19 -0800 (In reply to comment #1) > Whenever you're editing this code, there's a case in this area that I > believe should be allowed, but seems to throw a syntax error: > > ``` > if (true) let: x() > ``` > > or > > ``` > with ({}) let: y() > ``` > > When I run that in JSC, I get > > SyntaxError: Unexpected token ':'. Parse error. > > whereas in V8, ChakraCore and SpiderMonkey, let is permitted as a label. Daniel, we are solving this bug in https://bugs.webkit.org/show_bug.cgi?id=168684 Thank you for your report. 1315400 3 ysuzuki 2017-06-03 04:55:33 -0700 *** This bug has been marked as a duplicate of bug 168684 ***