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Make Diagnostic::is_error return false for Level::FailureNote.

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It doesn't affect behaviour, but makes sense with (a) `FailureNote` having
`()` as its emission guarantee, and (b) in `Level` the `is_error` levels
now are all listed before the non-`is_error` levels.
This commit is contained in:
Nicholas Nethercote 2024-01-31 09:25:42 +11:00
parent 4e3eed4892
commit e8c3cbf44b
2 changed files with 6 additions and 3 deletions
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5
compiler/rustc_errors/src/lib.rs
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@ -1541,6 +1541,8 @@ pub enum Level {
///
/// The [`LintExpectationId`] is used for expected lint diagnostics. In all other cases this
/// should be `None`.
///
/// Its `EmissionGuarantee` is `()`.
ForceWarning(Option<LintExpectationId>),
/// A warning about the code being compiled. Does not prevent compilation from finishing.
@ -1570,7 +1572,8 @@ pub enum Level {
/// Its `EmissionGuarantee` is `()`.
OnceHelp,
/// Similar to `Note`, but used in cases where compilation has failed. Rare.
/// Similar to `Note`, but used in cases where compilation has failed. When printed for human
/// consumption, it doesn't have any kind of `note:` label. Rare.
///
/// Its `EmissionGuarantee` is `()`.
FailureNote,