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check_consts: fix some duplicate errors by not calling check_static unnecessarily

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This commit is contained in:
Ralf Jung 2024-02-11 14:46:20 +01:00
parent 6cc4843512
commit d5de9a6105
13 changed files with 8 additions and 157 deletions
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8
compiler/rustc_const_eval/src/transform/check_consts/check.rs
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@ -619,9 +619,11 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> {
if base_ty.is_unsafe_ptr() {
if place_ref.projection.is_empty() {
let decl = &self.body.local_decls[place_ref.local];
if let LocalInfo::StaticRef { def_id, .. } = *decl.local_info() {
let span = decl.source_info.span;
self.check_static(def_id, span);
// If this is a static, then this is not really dereferencing a pointer,
// just directly accessing a static. That is not subject to any feature
// gates (except for the one about whether statics can even be used, but
// that is checked already by `visit_operand`).
if let LocalInfo::StaticRef { .. } = *decl.local_info() {
return;
}
}