RESOLVED INVALID247790
Using async function to Symbol.iterator results in infinite loop 
https://bugs.webkit.org/show_bug.cgi?id=247790
Summary Using async function to Symbol.iterator results in infinite loop
Kanguk Lee
Reported 2022-11-11 01:24:35 PST
// 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
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Radar WebKit Bug Importer
Comment 1 2022-11-14 08:15:52 PST
<rdar://problem/102321717>
Yusuke Suzuki
Comment 2 2022-11-14 08:48:32 PST
This is expected. The first microtask throws an error. But it does not matter to the second microtask.
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