[Bug]: Invalid yield* in Symbol.iterator

[p51lee]

💻

• Would you like to work on a fix?

How are you using Babel?

Other (Next.js, Gatsby, vue-cli, ...)

Input code

var [ x ] = { [ Symbol . iterator ] : function * ( ) { yield * 0 ; } } ;

Configuration file name

No response

Configuration

No response

Current and expected behavior

input.js throws TypeError:

$ node input.js
input.js:1
var [ x ] = { [ Symbol . iterator ] : function * ( ) { yield * 0 ; } } ;
                                                       ^

TypeError: number 0 is not iterable (cannot read property Symbol(Symbol.iterator))
    at [Symbol.iterator] (input.js:1:56)
    at Generator.next (<anonymous>)
    at Object.<anonymous> (input.js:1:7)
    at Module._compile (node:internal/modules/cjs/loader:1159:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1213:10)
    at Module.load (node:internal/modules/cjs/loader:1037:32)
    at Module._load (node:internal/modules/cjs/loader:878:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)

but output.js is terminated normally:

$ node output.js # no error

Environment

Reproduction on Babel's own REPL

Possible solution

No response

Additional context

No response

[babel-bot]

Hey @p51lee! We really appreciate you taking the time to report an issue. The collaborators on this project attempt to help as many people as possible, but we're a limited number of volunteers, so it's possible this won't be addressed swiftly.

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