.github/problemMatcher/clang.json

{
    "problemMatcher": [
        {
            "owner": "clang",
            "pattern": [
                {
                    "regexp": "^(.+):([0-9]+):([0-9]+): (error|warning|note): (.+)$",
                    "file": 1,
                    "line": 2,
                    "column": 3,
                    "severity": 4,
                    "message": 5
                }
            ]
        }
    ]
}