Auto merge of #109335 - Mark-Simulacrum:stable-next, r=Mark-Simulacrum 1.68.1

[stable] 1.68.1 release

This packages up a set of release notes, version bump, and backports of:

* Don't eagerly convert principal to string #108162
*  Revert "enable ThinLTO for rustc on x86_64-pc-windows-msvc dist builds" #109094
*  Create dirs for build_triple #109111
*  Fix linker detection for clang with prefix #109156
*  ci: use apt install --download-only for solaris debs #108951

The last of those is not yet stable-accepted but I expect it to be, we will drop it and rebuild artifacts if we don't actually approve it.

r? `@Mark-Simulacrum`

1 files changed, 2 insertions, 3 deletions

diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs
index c997d8945d1..329ece28ef8 100644
--- a/compiler/rustc_lint/src/lints.rs
+++ b/compiler/rustc_lint/src/lints.rs
@@ -8,7 +8,7 @@ use rustc_errors::{
 };
 use rustc_hir::def_id::DefId;
 use rustc_macros::{LintDiagnostic, Subdiagnostic};
-use rustc_middle::ty::{Predicate, Ty, TyCtxt};
+use rustc_middle::ty::{PolyExistentialTraitRef, Predicate, Ty, TyCtxt};
 use rustc_session::parse::ParseSess;
 use rustc_span::{edition::Edition, sym, symbol::Ident, Span, Symbol};
 
@@ -556,8 +556,7 @@ pub struct BuiltinUnexpectedCliConfigValue {
 #[diag(lint_supertrait_as_deref_target)]
 pub struct SupertraitAsDerefTarget<'a> {
     pub t: Ty<'a>,
-    pub target_principal: String,
-    // pub target_principal: Binder<'a, ExistentialTraitRef<'b>>,
+    pub target_principal: PolyExistentialTraitRef<'a>,
     #[subdiagnostic]
     pub label: Option<SupertraitAsDerefTargetLabel>,
 }