Fix prelude collision suggestions for glob imported traits.
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1 changed files with 7 additions and 2 deletions
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@ -7,7 +7,7 @@ use rustc_hir as hir;
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use rustc_middle::ty::subst::InternalSubsts;
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use rustc_middle::ty::{Adt, Ref, Ty};
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use rustc_session::lint::builtin::RUST_2021_PRELUDE_COLLISIONS;
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use rustc_span::symbol::kw::Underscore;
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use rustc_span::symbol::kw::{Empty, Underscore};
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use rustc_span::symbol::{sym, Ident};
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use rustc_span::Span;
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use rustc_trait_selection::infer::InferCtxtExt;
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@ -322,7 +322,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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.filter_map(|item| if item.ident.name != Underscore { Some(item.ident) } else { None })
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.next();
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if let Some(any_id) = any_id {
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return Some(format!("{}", any_id));
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if any_id.name == Empty {
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// Glob import, so just use its name.
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return None;
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} else {
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return Some(format!("{}", any_id));
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}
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}
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// All that is left is `_`! We need to use the full path. It doesn't matter which one we pick,
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