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peace of mind: be absolutely sure we don't try to emit a 0-part suggestion

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(cherry picked from commit 8dcdb3eb3c)
This commit is contained in:
dianne 2025-02-05 09:27:59 -08:00
parent 909010ebe6
commit c8e8068fe9
1 changed files with 4 additions and 1 deletions
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5
compiler/rustc_mir_build/src/errors.rs
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@ -1150,6 +1150,9 @@ impl Subdiagnostic for Rust2024IncompatiblePatSugg {
};
format!("make the implied reference pattern{plural_derefs}{and_modes} explicit")
};
diag.multipart_suggestion_verbose(msg, self.suggestion, applicability);
// FIXME(dianne): for peace of mind, don't risk emitting a 0-part suggestion (that panics!)
if !self.suggestion.is_empty() {
diag.multipart_suggestion_verbose(msg, self.suggestion, applicability);
}
}
}