Crash: RangeError: Maximum call stack size exceeded when destructuring undefined/unknown as identifiers in parameter list

[na7ure-a]

🔎 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

https://www.typescriptlang.org/zh/play/?target=7&ts=6.0.0-dev.20260203#code/GYVwdgxgLglg9mABACgNrgCYFNgzFjAGkXAGsw4B3MAXQC5EBnKAJzwHNEAfEsbXfBkQBeXvzwEAlEA

💻 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