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rustc_errors: let DiagnosticBuilder::emit return a "guarantee of emission".

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This commit is contained in:
Eduard-Mihai Burtescu 2022-01-27 09:44:25 +00:00
parent 0b9d70cf6d
commit b7e95dee65
83 changed files with 842 additions and 471 deletions
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4
compiler/rustc_expand/src/proc_macro_server.rs
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@ -446,7 +446,9 @@ impl server::TokenStream for Rustc<'_, '_> {
}
expr
};
let expr = expr.map_err(|mut err| err.emit())?;
let expr = expr.map_err(|mut err| {
err.emit();
})?;
// Perform eager expansion on the expression.
let expr = self