3rd spawnSync() with shared options argument throws error

[hail2u]

I have installed io.js, and start testing spawnSync(). However, calling spawnSync() 3 times with shared options argument throws an error.

test.js:

var spawn = require('child_process').spawnSync;

var ls;
var opts = {
  stdio: 'inherit'
};

ls = spawn('ls', [], opts);
ls = spawn('ls', [], opts);
ls = spawn('ls', [], opts);

Then run:

C:\Users\Kyo\Desktop>iojs test.js
desktop.ini  test.js
desktop.ini  test.js
child_process.js:905
      throw new TypeError('Incorrect value for stdio stream: ' +
            ^
TypeError: Incorrect value for stdio stream: { type: 'fd', fd: { type: 'fd', fd: 0 } }
    at child_process.js:905:13
    at Array.reduce (native)
    at _validateStdio (child_process.js:829:17)
    at spawnSync (child_process.js:1251:19)
    at Object.<anonymous> (c:\Users\Kyo\Desktop\test.js:13:10)
    at Module._compile (module.js:446:26)
    at Object.Module._extensions..js (module.js:464:10)
    at Module.load (module.js:341:32)
    at Function.Module._load (module.js:296:12)
    at Function.Module.runMain (module.js:487:10)

Tested on io.js v1.0.3 (Win64) on Windows 7 (64bit).

[cjihrig]

This is not Windows specific. The problem appears to be that the options object is modified in the call.

[hail2u]

Thanks! #579 looks good.

[cjihrig]

Closed in 7854811