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Prevent impossible combinations in ast::ModKind.

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`ModKind::Loaded` has an `inline` field and a `had_parse_error` field.
If the `inline` field is `Inline::Yes` then `had_parse_error` must be
`Ok(())`.

This commit moves the `had_parse_error` field into the `Inline::No`
variant. This makes it impossible to create the nonsensical combination
of `inline == Inline::Yes` and `had_parse_error = Err(_)`.
This commit is contained in:
Nicholas Nethercote
2025-08-19 15:06:48 +10:00
parent 425a9c0a0e
commit bfd5d59f97
17 changed files with 28 additions and 25 deletions
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2
compiler/rustc_resolve/src/diagnostics.rs
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@@ -3434,7 +3434,7 @@ impl<'tcx> visit::Visitor<'tcx> for UsePlacementFinder {
fn visit_item(&mut self, item: &'tcx ast::Item) {
if self.target_module == item.id {
if let ItemKind::Mod(_, _, ModKind::Loaded(items, _inline, mod_spans, _)) = &item.kind {
if let ItemKind::Mod(_, _, ModKind::Loaded(items, _inline, mod_spans)) = &item.kind {
let inject = mod_spans.inject_use_span;
if is_span_suitable_for_use_injection(inject) {
self.first_legal_span = Some(inject);