private int GenerateDeduplicationKey(DiagnosticData diagnostic)
{
if (diagnostic.DataLocation == null)
{
return(diagnostic.GetHashCode());
}
return(Hash.Combine(diagnostic.DataLocation.OriginalStartColumn,
Hash.Combine(diagnostic.DataLocation.OriginalStartLine,
Hash.Combine(diagnostic.DataLocation.OriginalEndColumn,
Hash.Combine(diagnostic.DataLocation.OriginalEndLine,
Hash.Combine(diagnostic.IsSuppressed,
Hash.Combine(diagnostic.Id.GetHashCode(), diagnostic.Message.GetHashCode())))))));
}