quote_keys: true may cause compilation errors

[mirages]

Bug report

quote_keys: true configuration cause some error when i used with terser-webpack-plugin. The error info likes below.

Version (complete output of terser -V or specific git commit)
terser@5.27.0
Complete CLI command or minify() options used

{
  keep_fnames: true,
  output: {
    comments: false,
    keep_quoted_props: true,
    quote_keys: true,
    beautify: false
  },
  warnings: false,
  module: false,
  ecma: 5
}

terser input

terser output or error

TypeError: str.replace is not a function
    at make_string (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9132:19)
    at encode_string (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9176:19)
    at Object.print_string (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9641:27)
    at print_property_name (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10880:20)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10941:17
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_ObjectKeyVal.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10828:22
    at Array.forEach (<anonymous>)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10822:29
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:9398:19
    at OutputStream.with_indent (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9363:38)
    at Object.with_block (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9397:9)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10821:48
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_Object.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at parenthesize_for_noin (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10648:14)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10659:13
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_VarDef.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10467:17
    at Array.forEach (<anonymous>)
    at AST_Const._do_print (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10465:26)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10482:14
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_Const.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10019:22
    at Array.forEach (<anonymous>)
    at display_body (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10010:14)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10067:17
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:9398:19
    at OutputStream.with_indent (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9363:38)
    at Object.with_block (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9397:9)
    at print_braced (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10066:20)
    at AST_Function._do_print (/Users/xxxx/node_modules/terser/dist/bundle.min.js:10185:9)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10188:14
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_Function.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10948:24
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_ObjectKeyVal.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10828:22
    at Array.forEach (<anonymous>)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10822:29
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:9398:19
    at OutputStream.with_indent (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9363:38)
    at Object.with_block (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9397:9)
    at /Users/xxxx/node_modules/terser/dist/bundle.min.js:10821:48
    at doit (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9699:13)
    at AST_Object.<anonymous> (/Users/xxxx/node_modules/terser/dist/bundle.min.js:9706:13)

Expected result
Should minify successfully

[fabiosantoscode]

Thanks for reporting! It looks like an issue in computed_props

Minimal reproduction:

{
  output: { quote_keys: true },
  compress: { defaults: false, computed_props: true },
}

({ [11]: 1 })