Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.8.2&fileType=.tsx&code=MYewdgzgLgBAhgJwXAnjAvDA2gRgDQwDMhBATACwEC0AnALoDcAUEwPSswgDWTAZiAhgAKADYBTWAEsMMAAwMY0gDzwkqAHTiwAcygALBZIDURgJSrkKLJLonmbDrziSRfAcPFSZ8xTBWJLTTEdfUMTcwDUazoAQjsmIA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6Y6RAM0Wlq4D2fAV3RRe0IZHBgAviFlA&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

const array = [1, 33, 24, -9];

// ok
for (let i = 0; i < array.length; i++) array[i]++;

// fail
for (let i = 0; i < array.length; i++) array[i]!++;

ESLint Config

module.exports = {
  parser: "@typescript-eslint/parser",
  rules: {
    "@typescript-eslint/prefer-for-of": "error",
  },
};

tsconfig

{
  "compilerOptions": {
    "strictNullChecks": true
  }
}

Expected Result

The 7th line shouldn't report prefer-for-of error.

Actual Result

The 7th line reports prefer-for-of error.

Additional Info

No response