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// |reftest| error:SyntaxError
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-NumericLiteralSeparator
description: >
NumericLiteralSeparator may not be the appear adjacent to `0b` | `0B` in a
BinaryIntegerLiteral
info: |
NumericLiteral ::
DecimalIntegerLiteral BigIntLiteralSuffix
NumericLiteralBase BigIntLiteralSuffix
NumericLiteralBase ::
BinaryIntegerLiteral
OctalIntegerLiteral
HexIntegerLiteral
BigIntLiteralSuffix :: n
NumericLiteralSeparator ::
_
BinaryIntegerLiteral ::
0b BinaryDigits
0B BinaryDigits
BinaryDigits ::
BinaryDigit
BinaryDigits BinaryDigit
BinaryDigits NumericLiteralSeparator BinaryDigit
BinaryDigit :: one of
0 1
negative:
phase: parse
type: SyntaxError
features: [BigInt, numeric-separator-literal]
---*/
$DONOTEVALUATE();
0b_1n;