Crash: RangeError: Maximum call stack size exceeded when destructuring undefined/unknown as identifiers in parameter list #63091
Description
🔎 Search Terms
"Maximum call stack size exceeded"
"isDeprecatedSymbol stack overflow"
"checkIdentifier stack overflow"
"destructuring undefined unknown crash"
🕗 Version & Regression Information
Tested Versions: 5.7.3, 5.8.3, 5.9.3 (Nightly)
Strict Mode: Only crashes with --strict enabled.
⏯ Playground Link
💻 Code
function ([undefined, unknown]: string | undefined = undefined)🙁 Actual behavior
D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:123214
throw e;
^
RangeError: Maximum call stack size exceeded
at getCombinedNodeFlagsCached (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:90402:38)
at isDeprecatedDeclaration (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:47562:15)
at every (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:83:12)
at isDeprecatedSymbol (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:47559:124)
at checkIdentifierCalculateNodeCheckFlags (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:71962:9)
at checkIdentifier (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:72001:5)
at checkExpressionWorker (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:80883:16)
at checkExpression (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:80826:32)
at getTypeOfExpression (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:80767:18)
at getTypeOfInitializer (D:\do\typeFuzz\ts-versions\nightly\node_modules\typescript\lib\_tsc.js:69758:34)
🙂 Expected behavior
The compiler should not crash.
Additional information about the issue
No response