Auto merge of #120843 - matthiaskrgr:rollup-med37z5, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #113671 (Make privacy visitor use types more (instead of HIR))
 - #120308 (core/time: avoid divisions in Duration::new)
 - #120693 (Invert diagnostic lints.)
 - #120704 (A drive-by rewrite of `give_region_a_name()`)
 - #120809 (Use `transmute_unchecked` in `NonZero::new`.)
 - #120817 (Fix more `ty::Error` ICEs in MIR passes)
 - #120828 (Fix `ErrorGuaranteed` unsoundness with stash/steal.)
 - #120831 (Startup objects disappearing from sysroot)

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_const_eval/src/lib.rs

@@ -5,9 +5,9 @@ Rust MIR: a lowered representation of Rust.
 */
 
 #![allow(internal_features)]
+#![allow(rustc::diagnostic_outside_of_impl)]
 #![feature(rustdoc_internals)]
 #![doc(rust_logo)]
-#![deny(rustc::untranslatable_diagnostic)]
 #![feature(assert_matches)]
 #![feature(box_patterns)]
 #![feature(decl_macro)]

compiler/rustc_const_eval/src/transform/validate.rs

@@ -60,6 +60,8 @@ impl<'tcx> MirPass<'tcx> for Validator {
                 ty::Closure(..) => Abi::RustCall,
                 ty::CoroutineClosure(..) => Abi::RustCall,
                 ty::Coroutine(..) => Abi::Rust,
+                // No need to do MIR validation on error bodies
+                ty::Error(_) => return,
                 _ => {
                     span_bug!(body.span, "unexpected body ty: {:?} phase {:?}", body_ty, mir_phase)
                 }