| Value | Meaning |
|---|---|
| ignored0 | \brief A diagnostic that has been suppressed, e.g., by a command-line option. |
| note1 | \brief This diagnostic is a note that should be attached to the previous (non-note) diagnostic. |
| warning2 | \brief This diagnostic indicates suspicious code that may not be wrong. |
| error3 | \brief This diagnostic indicates that the code is ill-formed. |
| fatal4 | \brief This diagnostic indicates that the code is ill-formed such that future parser recovery is unlikely to produce useful results. |
\brief Describes the severity of a particular diagnostic.