// input.js
var obj = {
  [ Symbol . iterator ]: async ( ) => {
      await 0 ;
      while ( true ) ;
  }
}

for ( { } of obj );
______________________________

Hello,

Executing the input.js using JSC, it throws TypeError but never terminates.

Running the input.js with JSC results in:

---
$ jsc input.js
Exception: TypeError: undefined is not a function (near '...{ } of obj...')
global code@input.js:8:10

// infinite loop

---


WebKit version: 615.1.10