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authorStuart Cook <Zalathar@users.noreply.github.com>2025-09-18 11:48:51 +1000
committerGitHub <noreply@github.com>2025-09-18 11:48:51 +1000
commit540fd20ba66358fec0322c347bcffb0d29c02deb (patch)
treeedaa3f9d51f7c403b96e0bdaf41ce06fec3ad199 /compiler/rustc_borrowck/src
parent34a805b0f5860471efd5b3acbae02146d97b37f7 (diff)
parent34062b124f00eb7c35da2e3981cfb5b45dd26039 (diff)
downloadrust-540fd20ba66358fec0322c347bcffb0d29c02deb.tar.gz
rust-540fd20ba66358fec0322c347bcffb0d29c02deb.zip
Rollup merge of #146664 - fmease:clean-up-dyn, r=jdonszelmann
Clean up `ty::Dynamic`

1. As a follow-up to PR rust-lang/rust#143036, remove `DynKind` entirely.
2. Inside HIR ty lowering, consolidate modules `dyn_compatibility` and `lint` into `dyn_trait`
   * `dyn_compatibility` wasn't about dyn compatibility itself, it's about lowering trait object types
   * `lint` contained dyn-Trait-specific diagnostics+lints only
Diffstat (limited to 'compiler/rustc_borrowck/src')
-rw-r--r--compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs4
-rw-r--r--compiler/rustc_borrowck/src/lib.rs4
-rw-r--r--compiler/rustc_borrowck/src/type_check/mod.rs6
3 files changed, 6 insertions, 8 deletions
diff --git a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
index fda96dde826..7ca07bb9b43 100644
--- a/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/explain_borrow.rs
@@ -438,7 +438,7 @@ impl<'tcx> BorrowExplanation<'tcx> {
 
             let elaborated_args =
                 std::iter::zip(*args, &generics.own_params).map(|(arg, param)| {
-                    if let Some(ty::Dynamic(obj, _, ty::Dyn)) = arg.as_type().map(Ty::kind) {
+                    if let Some(ty::Dynamic(obj, _)) = arg.as_type().map(Ty::kind) {
                         let default = tcx.object_lifetime_default(param.def_id);
 
                         let re_static = tcx.lifetimes.re_static;
@@ -464,7 +464,7 @@ impl<'tcx> BorrowExplanation<'tcx> {
 
                         has_dyn = true;
 
-                        Ty::new_dynamic(tcx, obj, implied_region, ty::Dyn).into()
+                        Ty::new_dynamic(tcx, obj, implied_region).into()
                     } else {
                         arg
                     }
diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
index f196bd04d0e..4c380ddcf70 100644
--- a/compiler/rustc_borrowck/src/lib.rs
+++ b/compiler/rustc_borrowck/src/lib.rs
@@ -1903,7 +1903,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> {
                     | ty::Slice(_)
                     | ty::FnDef(_, _)
                     | ty::FnPtr(..)
-                    | ty::Dynamic(_, _, _)
+                    | ty::Dynamic(_, _)
                     | ty::Closure(_, _)
                     | ty::CoroutineClosure(_, _)
                     | ty::Coroutine(_, _)
@@ -1949,7 +1949,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> {
                     | ty::Ref(_, _, _)
                     | ty::FnDef(_, _)
                     | ty::FnPtr(..)
-                    | ty::Dynamic(_, _, _)
+                    | ty::Dynamic(_, _)
                     | ty::CoroutineWitness(..)
                     | ty::Never
                     | ty::UnsafeBinder(_)
diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs
index dcedf0b1532..19cbcd139aa 100644
--- a/compiler/rustc_borrowck/src/type_check/mod.rs
+++ b/compiler/rustc_borrowck/src/type_check/mod.rs
@@ -1487,9 +1487,9 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
                                     unsize_to: None,
                                 },
                             );
-                        } else if let ty::Dynamic(src_tty, _src_lt, ty::Dyn) =
+                        } else if let ty::Dynamic(src_tty, _src_lt) =
                             *self.struct_tail(src.ty, location).kind()
-                            && let ty::Dynamic(dst_tty, dst_lt, ty::Dyn) =
+                            && let ty::Dynamic(dst_tty, dst_lt) =
                                 *self.struct_tail(dst.ty, location).kind()
                             && src_tty.principal().is_some()
                             && dst_tty.principal().is_some()
@@ -1511,7 +1511,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
                                 // FIXME: Once we disallow casting `*const dyn Trait + 'short`
                                 // to `*const dyn Trait + 'long`, then this can just be `src_lt`.
                                 dst_lt,
-                                ty::Dyn,
                             );
                             let dst_obj = Ty::new_dynamic(
                                 tcx,
@@ -1519,7 +1518,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
                                     &dst_tty.without_auto_traits().collect::<Vec<_>>(),
                                 ),
                                 dst_lt,
-                                ty::Dyn,
                             );
 
                             debug!(?src_tty, ?dst_tty, ?src_obj, ?dst_obj);