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// |reftest| error:SyntaxError
// Copyright (C) 2015 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
author: Jeff Walden
es6id: 13.3.1.1
description: >
let: |let let| split across two lines is not subject to automatic semicolon insertion.
info: |
|let| followed by a name is a lexical declaration. This is so even if the
name is on a new line. ASI applies *only* if an offending token not allowed
by the grammar is encountered, and there's no [no LineTerminator here]
restriction in LexicalDeclaration or ForDeclaration forbidding a line break.
It's a tricky point, but this is true *even if* the name is "let", a name that
can't be bound by LexicalDeclaration or ForDeclaration. Per 5.3, static
semantics early errors are validated *after* determining productions matching
the source text.
So in this testcase, the eval text matches LexicalDeclaration. No ASI occurs,
because "let\nlet = ..." matches LexicalDeclaration before static semantics
are considered. *Then* 13.3.1.1's static semantics for the LexicalDeclaration
just chosen, per 5.3, are validated to recognize the Script as invalid. Thus
the eval script can't be evaluated, and a SyntaxError is thrown.
negative:
phase: parse
type: SyntaxError
---*/
$DONOTEVALUATE();
let // start of a LexicalDeclaration, *not* an ASI opportunity
let;