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save-analysis: handle missing field names

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FIxes https://github.com/rust-lang-nursery/rls/issues/1031
This commit is contained in:
Nick Cameron 2018-09-12 14:05:08 +12:00
parent cdcbdfdf0a
commit 8ac3272610
1 changed files with 7 additions and 6 deletions
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13
src/librustc_save_analysis/lib.rs
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@ -809,13 +809,14 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
field_ref: &ast::Field,
variant: &ty::VariantDef,
) -> Option<Ref> {
let index = self.tcx.find_field_index(field_ref.ident, variant).unwrap();
filter!(self.span_utils, field_ref.ident.span);
let span = self.span_from_span(field_ref.ident.span);
Some(Ref {
kind: RefKind::Variable,
span,
ref_id: id_from_def_id(variant.fields[index].did),
self.tcx.find_field_index(field_ref.ident, variant).map(|index| {
let span = self.span_from_span(field_ref.ident.span);
Ref {
kind: RefKind::Variable,
span,
ref_id: id_from_def_id(variant.fields[index].did),
}
})
}