Task json "Operating system specific properties" is broken

[Dru01]

Environment

• OS and version: Ubuntu 22.04.2 LTS
• VS Code: 1.83.1
• C/C++ extension: 1.17.5
• OS and version of remote machine (if applicable):
• GDB / LLDB version: 12.1

Bug Summary and Steps to Reproduce

Bug Summary:

The windows and linux properties for cppbuild task are not recognized by itellisense and when trying to run program nothing happens.

Steps to reproduce:

1. Configure task.json as:

{
 "tasks": [
 {
 "type": "cppbuild",
 "label": "C/C++: g++.exe build active file",
 "command": "g++",
 "options": {
 "cwd": "${fileDirname}"
 },
 "problemMatcher": [
 "$gcc"
 ],
 "group": {
 "kind": "build",
 "isDefault": true
 },
 "detail": "Task generated by Debugger.",
 "windows": {
 "args": [
 "-fdiagnostics-color=always",
 "-g",
 "--std=c++20",
 "-Wall",
 "-Wextra",
 "-DDEBUG",
 "${file}",
 "-o",
 "${fileDirname}/${fileBasenameNoExtension}.exe"
 ],
 },
 "linux": {
 "args": [
 "-fdiagnostics-color=always",
 "-g",
 "--std=c++20",
 "-Wall",
 "-Wextra",
 "-DDEBUG",
 "${file}",
 "-o",
 "${fileDirname}/${fileBasenameNoExtension}.out"
 ],
 },
 }
 ],
 "version": "2.0.0"
}

2. Click Run C/C++ File

Debugger Configurations

None

Debugger Logs

None

Other Extensions

No response

Additional Information

Untitled.video.-.Made.with.Clipchamp.mp4

[sean-mcmanus]

The cppbuild task doesn't check those OS-specific properties (https://github.com/microsoft/vscode-cpptools/blob/main/Extension/src/LanguageServer/cppBuildTaskProvider.ts#L51).