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[Bug]: Unexpected reserved word when variable contains ascii #13323

@alan-agius4

Description

@alan-agius4

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  • Would you like to work on a fix?

How are you using Babel?

babel-loader (webpack)

Input code

let \u0275ResourceLoaderImpl_BaseFactory

https://babeljs.io/repl#?browsers=ie%209&build=&builtIns=false&corejs=3.6&spec=false&loose=false&code_lz=DYUwLgBAOgrgDAJgOwFYBKIDOB7GAnAYxABlsBDAExDwEkBbAB2AH0AhMzEAMTILGzwBPIA&debug=false&forceAllTransforms=false&shippedProposals=false&circleciRepo=&evaluate=false&fileSize=false&timeTravel=false&sourceType=unambiguous&lineWrap=false&presets=env&prettier=false&targets=&version=7.14.2&externalPlugins=

Configuration file name

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Configuration

Can be reproduced with any config included in the repl.

Current and expected behavior

Unexpected reserved word 'let'. (1:0)

1 | let \u0275ResourceLoaderImpl_BaseFactory
| ^

Environment

System:
OS: macOS 11.2.3
Binaries:
Node: 12.20.2 - ~/.nvm/versions/node/v12.20.2/bin/node
Yarn: 1.22.10 - ~/.nvm/versions/node/v12.20.2/bin/yarn
npm: 6.14.13 - ~/.nvm/versions/node/v12.20.2/bin/npm
Babel
@babel/core 7.14.0,
@babel/preset-env: 7.14.1

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