Auto merge of #154916 - jhpratt:rollup-RkdDmtW, r=jhpratt

Rollup of 6 pull requests

Successful merges:

 - rust-lang/rust#154627 (Move `rustc_middle::mir::mono` to `rustc_middle::mono`)
 - rust-lang/rust#154729 (de-non_const some `Iterator` methods)
 - rust-lang/rust#154891 (implement `StructuralPartialEq` for `MaybeDangling`)
 - rust-lang/rust#154894 (Slightly refactor mplace<->ptr conversions)
 - rust-lang/rust#154751 (compiletest: Remove `rfail` support from incremental tests)
 - rust-lang/rust#154901 (Update books)

Author: bors

src/borrow_tracker/stacked_borrows/mod.rs

@@ -859,7 +859,7 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> {
         info: RetagInfo, // diagnostics info about this retag
     ) -> InterpResult<'tcx, ImmTy<'tcx>> {
         let this = self.eval_context_mut();
-        let place = this.ref_to_mplace(val)?;
+        let place = this.imm_ptr_to_mplace(val)?;
         let new_place = this.sb_retag_place(&place, new_perm, info)?;
         interp_ok(ImmTy::from_immediate(new_place.to_ref(this), val.layout))
     }

src/borrow_tracker/tree_borrows/mod.rs

@@ -415,7 +415,7 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         new_perm: NewPermission,
     ) -> InterpResult<'tcx, ImmTy<'tcx>> {
         let this = self.eval_context_mut();
-        let place = this.ref_to_mplace(val)?;
+        let place = this.imm_ptr_to_mplace(val)?;
         let new_place = this.tb_retag_place(&place, new_perm)?;
         interp_ok(ImmTy::from_immediate(new_place.to_ref(this), val.layout))
     }

src/shims/panic.rs

@@ -20,7 +20,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         this.call_function(
             panic,
             ExternAbi::Rust,
-            &[this.mplace_to_ref(&msg)?],
+            &[this.mplace_to_imm_ptr(&msg, None)?],
             None,
             ReturnContinuation::Goto { ret: None, unwind },
         )
@@ -39,7 +39,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         this.call_function(
             panic,
             ExternAbi::Rust,
-            &[this.mplace_to_ref(&msg)?],
+            &[this.mplace_to_imm_ptr(&msg, None)?],
             None,
             ReturnContinuation::Goto { ret: None, unwind: mir::UnwindAction::Unreachable },
         )