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Rollup merge of #121782 - RalfJung:mutable-ref-in-static, r=oli-obk

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allow statics pointing to mutable statics

Fixes https://github.com/rust-lang/rust/issues/120450 for good. We can even simplify our checks: no need to specifically go looking for mutable references in const, we can just reject any reference that points to something mutable.

r? `@oli-obk`
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Matthias Krüger 2024-02-29 20:50:04 +01:00 • committed by GitHub
commit 255fdcc858
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12 changed files with 64 additions and 307 deletions
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compiler/rustc_middle/src/mir/interpret/error.rs
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@ -420,7 +420,6 @@ pub enum ValidationErrorKind<'tcx> {
PartialPointer,
PtrToUninhabited { ptr_kind: PointerKind, ty: Ty<'tcx> },
PtrToStatic { ptr_kind: PointerKind },
MutableRefInConstOrStatic,
ConstRefToMutable,
ConstRefToExtern,
MutableRefToImmutable,