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fix static_ptr_ty for foreign statics, and more comments in check_unsafety

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Ralf Jung 2020-10-19 09:47:18 +02:00
parent cb33f956c3
commit c1766c6372
2 changed files with 6 additions and 0 deletions
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3
compiler/rustc_middle/src/ty/util.rs
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@ -529,8 +529,11 @@ impl<'tcx> TyCtxt<'tcx> {
// Make sure that any constants in the static's type are evaluated.
let static_ty = self.normalize_erasing_regions(ty::ParamEnv::empty(), self.type_of(def_id));
// Make sure that accesses to unsafe statics end up using raw pointers.
if self.is_mutable_static(def_id) {
self.mk_mut_ptr(static_ty)
} else if self.is_foreign_item(def_id) {
self.mk_imm_ptr(static_ty)
} else {
self.mk_imm_ref(self.lifetimes.re_erased, static_ty)
}