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Add safe/unsafe to static inside extern blocks

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This commit is contained in:
Santiago Pastorino 2024-05-07 14:43:23 +02:00
parent b4cbdb7246
commit bac72cf7cf
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27 changed files with 152 additions and 57 deletions
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6
compiler/rustc_mir_build/src/check_unsafety.rs
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@ -2,6 +2,7 @@ use crate::build::ExprCategory;
use crate::errors::*;
use rustc_errors::DiagArgValue;
use rustc_hir::def::DefKind;
use rustc_hir::{self as hir, BindingMode, ByRef, HirId, Mutability};
use rustc_middle::mir::BorrowKind;
use rustc_middle::span_bug;
@ -456,7 +457,10 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> {
if self.tcx.is_mutable_static(def_id) {
self.requires_unsafe(expr.span, UseOfMutableStatic);
} else if self.tcx.is_foreign_item(def_id) {
self.requires_unsafe(expr.span, UseOfExternStatic);
match self.tcx.def_kind(def_id) {
DefKind::Static { safety: hir::Safety::Safe, .. } => {}
_ => self.requires_unsafe(expr.span, UseOfExternStatic),
}
}
} else if self.thir[arg].ty.is_unsafe_ptr() {
self.requires_unsafe(expr.span, DerefOfRawPointer);