Build Test failed on Windows 7

[xanZ08]

On running .\vcbuild test below test case fails. Here is the stack trace.

Error: Command failed: "C:\Users\816361\Documents\xan\nodecore\node\Release\node.exe" -e 'require("child_process").fork("C:\Users\816361\Documents\xan\nodecore\node\test\fixtures\empty.js")'
[eval]:1
'require(child_process).fork(C:\Users\816361\Documents\xan\nodecore\node\test\fixtures\empty.js)'


SyntaxError: Invalid hexadecimal escape sequence
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Object.<anonymous> ([eval]-wrapper:6:22)
    at Module._compile (module.js:600:30)
    at evalScript (bootstrap_node.js:462:27)
    at startup (bootstrap_node.js:163:9)
    at bootstrap_node.js:605:3

    at ChildProcess.exithandler (child_process.js:269:12)
    at emitTwo (events.js:125:13)
    at ChildProcess.emit (events.js:213:7)
    at maybeClose (internal/child_process.js:944:16)
    at Socket.stream.socket.on (internal/child_process.js:364:11)
    at emitOne (events.js:115:13)
    at Socket.emit (events.js:210:7)
    at Pipe._handle.close [as _onclose] (net.js:551:12)

Version: output of node -v - > v6.9.1
Windows 7 64 bit

[vsemozhetbyt]

Reduced case:

const trickyString = 'c:\\xfolder\\file.js';

require("child_process").execSync(`"${process.execPath}" -e "'${trickyString}'"`);

[eval]:1
'c:\xfolder\file.js'
   ^^^^

SyntaxError: Invalid hexadecimal escape sequence
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Object.<anonymous> ([eval]-wrapper:6:22)
    at Module._compile (module.js:624:30)
    at evalScript (bootstrap_node.js:461:27)
    at startup (bootstrap_node.js:163:9)
    at bootstrap_node.js:607:3
child_process.js:635
    throw err;
    ^

Error: Command failed: "C:\Program Files\nodejs\node.exe" -e "'c:\xfolder\file.js'"
[eval]:1
'c:\xfolder\file.js'
   ^^^^

SyntaxError: Invalid hexadecimal escape sequence
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Object.<anonymous> ([eval]-wrapper:6:22)
    at Module._compile (module.js:624:30)
    at evalScript (bootstrap_node.js:461:27)
    at startup (bootstrap_node.js:163:9)
    at bootstrap_node.js:607:3

    at checkExecSyncError (child_process.js:592:13)
    at Object.execSync (child_process.js:632:13)
    at Object.<anonymous> (...\test.js:5:26)
    at Module._compile (module.js:624:30)
    at Object.Module._extensions..js (module.js:635:10)
    at Module.load (module.js:545:32)
    at tryModuleLoad (module.js:508:12)
    at Function.Module._load (module.js:500:3)
    at Function.Module.runMain (module.js:665:10)
    at startup (bootstrap_node.js:187:16)

[bzoz]

This was fixed in 07ec10d