Version

2.6.10

Reproduction link

https://test.ipalfish.com/klian/web/dist/m/picture/vip-code.html?from=singlemessage&isappinstalled=0

Steps to reproduce

config project by vue-cli 3.0, then load page in wechat devtools

see the error below:

libs.213765e4.js:1 Uncaught SyntaxError: Invalid regular expression: /[^a-zA-Z·À-ÖØ-öø-ͽͿ-῿‌-�‿-��-�Ⰰ-⿯�-퟿豈-�ﷰ-�.$_\d]/: Range out of order in character class
at RegExp ()
at Module. (libs.213765e4.js:1)
at Module.2b0e (libs.213765e4.js:1)
at r (vip-code.f5f61c2a.js:1)
at Object.a1c6 (vip-code.f5f61c2a.js:1)
at r (vip-code.f5f61c2a.js:1)
at Module.56d7 (vip-code.f5f61c2a.js:1)
at r (vip-code.f5f61c2a.js:1)
at Object.17 (vip-code.f5f61c2a.js:1)
at r (vip-code.f5f61c2a.js:1)

What is expected?

render successfully

What is actually happening?

report an error

it seem to a bug in vue.esm.js line 478
var unicodeLetters = 'a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-
it only happen when production
config.devtool = isDev ? 'cheap-module-eval-source-map' : 'hidden-source-map'