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Rollup merge of #106829 - compiler-errors:more-alias-combine, r=spastorino

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Unify `Opaque`/`Projection` handling in region outlives code

They share basically identical paths in most places which are even easier to unify now that they're both `ty::Alias`

r? types
This commit is contained in:
Matthias Krüger 2023-01-17 05:25:22 +01:00 • committed by GitHub
commit 6b49435480
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12 changed files with 54 additions and 114 deletions
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5
compiler/rustc_traits/src/implied_outlives_bounds.rs
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@ -154,9 +154,8 @@ fn implied_bounds_from_components<'tcx>(
match component {
Component::Region(r) => Some(OutlivesBound::RegionSubRegion(sub_region, r)),
Component::Param(p) => Some(OutlivesBound::RegionSubParam(sub_region, p)),
Component::Projection(p) => Some(OutlivesBound::RegionSubProjection(sub_region, p)),
Component::Opaque(def_id, substs) => {
Some(OutlivesBound::RegionSubOpaque(sub_region, def_id, substs))
Component::Alias(kind, p) => {
Some(OutlivesBound::RegionSubAlias(sub_region, kind, p))
}
Component::EscapingProjection(_) =>
// If the projection has escaping regions, don't