Auto merge of #121188 - GuillaumeGomez:rollup-bejz7fq, r=GuillaumeGomez

Rollup of 6 pull requests

Successful merges:

 - #119928 (suggest `into_iter()` when `Iterator` method called on `impl IntoIterator`)
 - #121020 (Avoid an ICE in diagnostics)
 - #121111 (For E0038, suggest associated type if available)
 - #121137 (Add clippy into the known `cfg` list)
 - #121179 (allow mutable references in const values when they point to no memory)
 - #121181 (Fix an ICE in the recursion lint)

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

1 files changed, 5 insertions, 4 deletions

diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs
index 9d4ec7d25bb..125fac48df8 100644
--- a/compiler/rustc_middle/src/mir/interpret/error.rs
+++ b/compiler/rustc_middle/src/mir/interpret/error.rs
@@ -12,6 +12,7 @@ use rustc_macros::HashStable;
 use rustc_session::CtfeBacktrace;
 use rustc_span::{def_id::DefId, Span, DUMMY_SP};
 use rustc_target::abi::{call, Align, Size, VariantIdx, WrappingRange};
+use rustc_type_ir::Mutability;
 
 use std::borrow::Cow;
 use std::{any::Any, backtrace::Backtrace, fmt};
@@ -367,7 +368,7 @@ pub enum UndefinedBehaviorInfo<'tcx> {
 
 #[derive(Debug, Clone, Copy)]
 pub enum PointerKind {
-    Ref,
+    Ref(Mutability),
     Box,
 }
 
@@ -375,7 +376,7 @@ impl IntoDiagnosticArg for PointerKind {
     fn into_diagnostic_arg(self) -> DiagnosticArgValue {
         DiagnosticArgValue::Str(
             match self {
-                Self::Ref => "ref",
+                Self::Ref(_) => "ref",
                 Self::Box => "box",
             }
             .into(),
@@ -408,7 +409,7 @@ impl From<PointerKind> for ExpectedKind {
     fn from(x: PointerKind) -> ExpectedKind {
         match x {
             PointerKind::Box => ExpectedKind::Box,
-            PointerKind::Ref => ExpectedKind::Reference,
+            PointerKind::Ref(_) => ExpectedKind::Reference,
         }
     }
 }
@@ -419,7 +420,7 @@ pub enum ValidationErrorKind<'tcx> {
     PartialPointer,
     PtrToUninhabited { ptr_kind: PointerKind, ty: Ty<'tcx> },
     PtrToStatic { ptr_kind: PointerKind },
-    MutableRefInConst,
+    MutableRefInConstOrStatic,
     ConstRefToMutable,
     ConstRefToExtern,
     MutableRefToImmutable,