Live binding does not work when the Object constructor is shadowed

[x0k]

Describe the bug

After updating to vite@6.3.3, SSR in my app stopped working.
I discovered that the issue was introduced in this commit: 80a91ff

lib.js contains the following code, which shadows the global Object constructor and causes the following error:

export default function Object() {}

TypeError: Object.defineProperty is not a function
    at eval (/home/projects/vitejs-vite-b63hinxr/src/lib.js:5:8)
    at ESModulesEvaluator.runInlinedModule (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1078:6)
    at ModuleRunner.directRequest (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1292:82)
    at ModuleRunner.cachedRequest (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1187:28)
    at request (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1236:79)
    at async eval (/home/projects/vitejs-vite-b63hinxr/src/main.js:3:44)
    at async ESModulesEvaluator.runInlinedModule (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1070:5)
    at async ModuleRunner.directRequest (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1292:61)
    at async ModuleRunner.cachedRequest (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1188:76)
    at async ModuleRunner.import (file:///home/projects/vitejs-vite-b63hinxr/node_modules/vite/dist/node/module-runner.js:1125:12)

Reproduction

https://stackblitz.com/edit/vitejs-vite-cpvgnuhv?file=src%2Flib.js

Steps to reproduce

open stackblitz

System Info

System:
    OS: Linux 6.6 cpe:/o:nixos:nixos:24.11 24.11 (Vicuna)
    CPU: (12) x64 Intel(R) Core(TM) i5-10400F CPU @ 2.90GHz
    Memory: 3.82 GB / 15.56 GB
    Container: Yes
    Shell: 5.2.37 - /run/current-system/sw/bin/bash
  Binaries:
    Node: 23.9.0 - /nix/store/wwdh9slw3km4a1cpwacanciinz742wxa-nodejs-23.9.0/bin/node
    npm: 10.9.2 - /nix/store/wwdh9slw3km4a1cpwacanciinz742wxa-nodejs-23.9.0/bin/npm
    pnpm: 10.1.0 - /nix/store/7v3vl4fgjqswj50zm8na25bnxqgli7sn-pnpm-10.6.2/bin/pnpm
  Browsers:
    Brave Browser: 135.1.77.101
  npmPackages:
    vite: catalog: => 6.3.3

Used Package Manager

pnpm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[hi-ogawa]

Your reproduction fails before 6.3.3 and that would be a known issue #15485 Do you have maybe a slightly different code which fails on 6.3.3 specifically?

[github-actions]

Hello @x0k. Please provide a minimal reproduction using a GitHub repository or StackBlitz. Issues marked with needs reproduction will be closed if they have no activity within 3 days.

[x0k]

It seems that before 6.3.3 the following code was not added to the output file

  Object.defineProperty(__vite_ssr_exports__, "default", {
    enumerable: true,
    configurable: true,
    get() {
      return __vite_ssr_export_default__;
    },
  });

[hi-ogawa]

@x0k Ah, yes. That's the "slight" difference. These two are semantically different and you probably have the latter. The former was broken for a long time but the latter just got broken since 6.3.3 due to our natural generalization and we should fix both.

export default function Object() {}

function Object() {}
export default Object;