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Track if a where bound comes from a impl Trait desugar

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With #93803 `impl Trait` function arguments get desugared to hidden
where bounds. However, Clippy needs to know if a bound was originally a
impl Trait or an actual bound. This adds a field to the
`WhereBoundPredicate` struct to keep track of this information during
HIR lowering.
This commit is contained in:
flip1995 2022-05-05 15:50:11 +01:00 • committed by flip1995
parent f47d2b3ad6
commit dd1ff405e3
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7 changed files with 34 additions and 12 deletions
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4
compiler/rustc_lint/src/builtin.rs
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@ -36,7 +36,7 @@ use rustc_feature::{deprecated_attributes, AttributeGate, BuiltinAttribute, Gate
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdSet, CRATE_DEF_ID};
use rustc_hir::{ForeignItemKind, GenericParamKind, HirId, PatKind};
use rustc_hir::{ForeignItemKind, GenericParamKind, HirId, PatKind, PredicateOrigin};
use rustc_index::vec::Idx;
use rustc_middle::lint::LintDiagnosticBuilder;
use rustc_middle::ty::layout::{LayoutError, LayoutOf};
@ -2226,7 +2226,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements {
Self::lifetimes_outliving_type(inferred_outlives, index),
&predicate.bounds,
predicate.span,
predicate.in_where_clause,
predicate.origin == PredicateOrigin::WhereClause,
)
}
_ => {