Rollup merge of #143571 - lcnr:has_nested-bb, r=compiler-errors

remove `has_nested` from builtin candidates

it's no longer necessary

r? types

1 files changed, 2 insertions, 7 deletions

diff --git a/compiler/rustc_middle/src/traits/select.rs b/compiler/rustc_middle/src/traits/select.rs
index aa2ee756bc5..c498e6b3c83 100644
--- a/compiler/rustc_middle/src/traits/select.rs
+++ b/compiler/rustc_middle/src/traits/select.rs
@@ -97,9 +97,7 @@ pub type EvaluationCache<'tcx, ENV> = Cache<(ENV, ty::PolyTraitPredicate<'tcx>),
 pub enum SelectionCandidate<'tcx> {
     /// A built-in implementation for the `Sized` trait. This is preferred
     /// over all other candidates.
-    SizedCandidate {
-        has_nested: bool,
-    },
+    SizedCandidate,
 
     /// A builtin implementation for some specific traits, used in cases
     /// where we cannot rely an ordinary library implementations.
@@ -107,10 +105,7 @@ pub enum SelectionCandidate<'tcx> {
     /// The most notable examples are `Copy` and `Clone`. This is also
     /// used for the `DiscriminantKind` and `Pointee` trait, both of which have
     /// an associated type.
-    BuiltinCandidate {
-        /// `false` if there are no *further* obligations.
-        has_nested: bool,
-    },
+    BuiltinCandidate,
 
     /// Implementation of transmutability trait.
     TransmutabilityCandidate,